2.27% is the change from 220 to 225
Calculation steps:
[( 225 - 220 ) ÷ 220] x 100 = 2.27%
Formula
Percentage change = [(225 - 220) / 220] x 100
Subtract the new number by the original number
225 - 220 = 5
5 ÷ 220 = 0.022727272727272728
0.022727272727272728 x 100 = 2.27%