-21.96% is the change from 296 to 231
Calculation steps:
[( 231 - 296 ) ÷ 296] x 100 = -21.96%
Formula
Percentage change = [(231 - 296) / 296] x 100
Subtract the new number by the original number
231 - 296 = -65
-65 ÷ 296 = -0.2195945945945946
-0.2195945945945946 x 100 = -21.96%