8.28% is the change from 145 to 157
Calculation steps:
[( 157 - 145 ) ÷ 145] x 100 = 8.28%
Formula
Percentage change = [(157 - 145) / 145] x 100
Subtract the new number by the original number
157 - 145 = 12
12 ÷ 145 = 0.08275862068965517
0.08275862068965517 x 100 = 8.28%