225.58% is the change from 129 to 420
Calculation steps:
[( 420 - 129 ) ÷ 129] x 100 = 225.58%
Formula
Percentage change = [(420 - 129) / 129] x 100
Subtract the new number by the original number
420 - 129 = 291
291 ÷ 129 = 2.255813953488372
2.255813953488372 x 100 = 225.58%