22.38% is the change from 210 to 257
Calculation steps:
[( 257 - 210 ) ÷ 210] x 100 = 22.38%
Formula
Percentage change = [(257 - 210) / 210] x 100
Subtract the new number by the original number
257 - 210 = 47
47 ÷ 210 = 0.22380952380952382
0.22380952380952382 x 100 = 22.38%