214.07% is the change from 135 to 424
Calculation steps:
[( 424 - 135 ) ÷ 135] x 100 = 214.07%
Formula
Percentage change = [(424 - 135) / 135] x 100
Subtract the new number by the original number
424 - 135 = 289
289 ÷ 135 = 2.140740740740741
2.140740740740741 x 100 = 214.07%