-39.08% is the change from 87 to 53
Calculation steps:
[( 53 - 87 ) ÷ 87] x 100 = -39.08%
Formula
Percentage change = [(53 - 87) / 87] x 100
Subtract the new number by the original number
53 - 87 = -34
-34 ÷ 87 = -0.39080459770114945
-0.39080459770114945 x 100 = -39.08%