97.44% is the change from 156 to 308
Calculation steps:
[( 308 - 156 ) ÷ 156] x 100 = 97.44%
Formula
Percentage change = [(308 - 156) / 156] x 100
Subtract the new number by the original number
308 - 156 = 152
152 ÷ 156 = 0.9743589743589743
0.9743589743589743 x 100 = 97.44%