3.11% is the change from 225 to 232
Calculation steps:
[( 232 - 225 ) ÷ 225] x 100 = 3.11%
Formula
Percentage change = [(232 - 225) / 225] x 100
Subtract the new number by the original number
232 - 225 = 7
7 ÷ 225 = 0.03111111111111111
0.03111111111111111 x 100 = 3.11%