135.56% is the change from 180 to 424
Calculation steps:
[( 424 - 180 ) ÷ 180] x 100 = 135.56%
Formula
Percentage change = [(424 - 180) / 180] x 100
Subtract the new number by the original number
424 - 180 = 244
244 ÷ 180 = 1.3555555555555556
1.3555555555555556 x 100 = 135.56%