139.39% is the change from 99 to 237
Calculation steps:
[( 237 - 99 ) ÷ 99] x 100 = 139.39%
Formula
Percentage change = [(237 - 99) / 99] x 100
Subtract the new number by the original number
237 - 99 = 138
138 ÷ 99 = 1.393939393939394
1.393939393939394 x 100 = 139.39%