-86.71% is the change from 632 to 84
Calculation steps:
[( 84 - 632 ) ÷ 632] x 100 = -86.71%
Formula
Percentage change = [(84 - 632) / 632] x 100
Subtract the new number by the original number
84 - 632 = -548
-548 ÷ 632 = -0.8670886075949367
-0.8670886075949367 x 100 = -86.71%