6.65% is the change from 331 to 353
Calculation steps:
[( 353 - 331 ) ÷ 331] x 100 = 6.65%
Formula
Percentage change = [(353 - 331) / 331] x 100
Subtract the new number by the original number
353 - 331 = 22
22 ÷ 331 = 0.06646525679758308
0.06646525679758308 x 100 = 6.65%