98.72% is the change from 156 to 310
Calculation steps:
[( 310 - 156 ) ÷ 156] x 100 = 98.72%
Formula
Percentage change = [(310 - 156) / 156] x 100
Subtract the new number by the original number
310 - 156 = 154
154 ÷ 156 = 0.9871794871794872
0.9871794871794872 x 100 = 98.72%