In january the depth of the lake was 1086 feet. In august the depth of the lake was 597.3 feet. What is the percentage decrease of the depth of the lake from january to august

it decreased by 45%

The percentage decrease in the depth is 45%

Step-by-step explanation:

January, lake depth = 1086 feet

august, lake depth = 597.3 feet

The decrease in depth = 1086 - 597.3

= 488.7 feet

Percentage decrease = decrease over January lake depth multiply by 100%

% decrease = (488.7/1086) * 100%

=0.45*100%

= 45%