39.88% is the change from 173 to 242
Calculation steps:
[( 242 - 173 ) ÷ 173] x 100 = 39.88%
Formula
Percentage change = [(242 - 173) / 173] x 100
Subtract the new number by the original number
242 - 173 = 69
69 ÷ 173 = 0.3988439306358382
0.3988439306358382 x 100 = 39.88%