-61.9% is the change from 231 to 88
Calculation steps:
[( 88 - 231 ) ÷ 231] x 100 = -61.9%
Formula
Percentage change = [(88 - 231) / 231] x 100
Subtract the new number by the original number
88 - 231 = -143
-143 ÷ 231 = -0.6190476190476191
-0.6190476190476191 x 100 = -61.9%