54.14% is the change from 157 to 242
Calculation steps:
[( 242 - 157 ) ÷ 157] x 100 = 54.14%
Formula
Percentage change = [(242 - 157) / 157] x 100
Subtract the new number by the original number
242 - 157 = 85
85 ÷ 157 = 0.5414012738853503
0.5414012738853503 x 100 = 54.14%