138.89% is the change from 180 to 430
Calculation steps:
[( 430 - 180 ) ÷ 180] x 100 = 138.89%
Formula
Percentage change = [(430 - 180) / 180] x 100
Subtract the new number by the original number
430 - 180 = 250
250 ÷ 180 = 1.3888888888888888
1.3888888888888888 x 100 = 138.89%