238.12% is the change from 181 to 612
Calculation steps:
[( 612 - 181 ) ÷ 181] x 100 = 238.12%
Formula
Percentage change = [(612 - 181) / 181] x 100
Subtract the new number by the original number
612 - 181 = 431
431 ÷ 181 = 2.3812154696132595
2.3812154696132595 x 100 = 238.12%