92.55% is the change from 161 to 310
Calculation steps:
[( 310 - 161 ) ÷ 161] x 100 = 92.55%
Formula
Percentage change = [(310 - 161) / 161] x 100
Subtract the new number by the original number
310 - 161 = 149
149 ÷ 161 = 0.9254658385093167
0.9254658385093167 x 100 = 92.55%