103.29% is the change from 152 to 309
Calculation steps:
[( 309 - 152 ) ÷ 152] x 100 = 103.29%
Formula
Percentage change = [(309 - 152) / 152] x 100
Subtract the new number by the original number
309 - 152 = 157
157 ÷ 152 = 1.0328947368421053
1.0328947368421053 x 100 = 103.29%