221.48% is the change from 135 to 434
Calculation steps:
[( 434 - 135 ) ÷ 135] x 100 = 221.48%
Formula
Percentage change = [(434 - 135) / 135] x 100
Subtract the new number by the original number
434 - 135 = 299
299 ÷ 135 = 2.214814814814815
2.214814814814815 x 100 = 221.48%