-88.1% is the change from 832 to 99
Calculation steps:
[( 99 - 832 ) ÷ 832] x 100 = -88.1%
Formula
Percentage change = [(99 - 832) / 832] x 100
Subtract the new number by the original number
99 - 832 = -733
-733 ÷ 832 = -0.8810096153846154
-0.8810096153846154 x 100 = -88.1%