-87.82% is the change from 632 to 77
Calculation steps:
[( 77 - 632 ) ÷ 632] x 100 = -87.82%
Formula
Percentage change = [(77 - 632) / 632] x 100
Subtract the new number by the original number
77 - 632 = -555
-555 ÷ 632 = -0.8781645569620253
-0.8781645569620253 x 100 = -87.82%