51.5% is the change from 233 to 353
Calculation steps:
[( 353 - 233 ) ÷ 233] x 100 = 51.5%
Formula
Percentage change = [(353 - 233) / 233] x 100
Subtract the new number by the original number
353 - 233 = 120
120 ÷ 233 = 0.5150214592274678
0.5150214592274678 x 100 = 51.5%