-83.83% is the change from 532 to 86
Calculation steps:
[( 86 - 532 ) ÷ 532] x 100 = -83.83%
Formula
Percentage change = [(86 - 532) / 532] x 100
Subtract the new number by the original number
86 - 532 = -446
-446 ÷ 532 = -0.8383458646616542
-0.8383458646616542 x 100 = -83.83%