-87.6% is the change from 653 to 81
Calculation steps:
[( 81 - 653 ) ÷ 653] x 100 = -87.6%
Formula
Percentage change = [(81 - 653) / 653] x 100
Subtract the new number by the original number
81 - 653 = -572
-572 ÷ 653 = -0.8759571209800919
-0.8759571209800919 x 100 = -87.6%