255.93% is the change from 118 to 420
Calculation steps:
[( 420 - 118 ) ÷ 118] x 100 = 255.93%
Formula
Percentage change = [(420 - 118) / 118] x 100
Subtract the new number by the original number
420 - 118 = 302
302 ÷ 118 = 2.559322033898305
2.559322033898305 x 100 = 255.93%