15.24% is the change from 210 to 242
Calculation steps:
[( 242 - 210 ) ÷ 210] x 100 = 15.24%
Formula
Percentage change = [(242 - 210) / 210] x 100
Subtract the new number by the original number
242 - 210 = 32
32 ÷ 210 = 0.1523809523809524
0.1523809523809524 x 100 = 15.24%