96.1% is the change from 231 to 453
Calculation steps:
[( 453 - 231 ) ÷ 231] x 100 = 96.1%
Formula
Percentage change = [(453 - 231) / 231] x 100
Subtract the new number by the original number
453 - 231 = 222
222 ÷ 231 = 0.961038961038961
0.961038961038961 x 100 = 96.1%