-86.64% is the change from 651 to 87
Calculation steps:
[( 87 - 651 ) ÷ 651] x 100 = -86.64%
Formula
Percentage change = [(87 - 651) / 651] x 100
Subtract the new number by the original number
87 - 651 = -564
-564 ÷ 651 = -0.8663594470046083
-0.8663594470046083 x 100 = -86.64%