152.75% is the change from 91 to 230
Calculation steps:
[( 230 - 91 ) ÷ 91] x 100 = 152.75%
Formula
Percentage change = [(230 - 91) / 91] x 100
Subtract the new number by the original number
230 - 91 = 139
139 ÷ 91 = 1.5274725274725274
1.5274725274725274 x 100 = 152.75%