19.8% is the change from 202 to 242
Calculation steps:
[( 242 - 202 ) ÷ 202] x 100 = 19.8%
Formula
Percentage change = [(242 - 202) / 202] x 100
Subtract the new number by the original number
242 - 202 = 40
40 ÷ 202 = 0.19801980198019803
0.19801980198019803 x 100 = 19.8%