-85.43% is the change from 597 to 87
Calculation steps:
[( 87 - 597 ) ÷ 597] x 100 = -85.43%
Formula
Percentage change = [(87 - 597) / 597] x 100
Subtract the new number by the original number
87 - 597 = -510
-510 ÷ 597 = -0.8542713567839196
-0.8542713567839196 x 100 = -85.43%