15.77% is the change from 222 to 257
Calculation steps:
[( 257 - 222 ) ÷ 222] x 100 = 15.77%
Formula
Percentage change = [(257 - 222) / 222] x 100
Subtract the new number by the original number
257 - 222 = 35
35 ÷ 222 = 0.15765765765765766
0.15765765765765766 x 100 = 15.77%