82.68% is the change from 231 to 422
Calculation steps:
[( 422 - 231 ) ÷ 231] x 100 = 82.68%
Formula
Percentage change = [(422 - 231) / 231] x 100
Subtract the new number by the original number
422 - 231 = 191
191 ÷ 231 = 0.8268398268398268
0.8268398268398268 x 100 = 82.68%