97.52% is the change from 161 to 318
Calculation steps:
[( 318 - 161 ) ÷ 161] x 100 = 97.52%
Formula
Percentage change = [(318 - 161) / 161] x 100
Subtract the new number by the original number
318 - 161 = 157
157 ÷ 161 = 0.9751552795031055
0.9751552795031055 x 100 = 97.52%