341.53% is the change from 118 to 521
Calculation steps:
[( 521 - 118 ) ÷ 118] x 100 = 341.53%
Formula
Percentage change = [(521 - 118) / 118] x 100
Subtract the new number by the original number
521 - 118 = 403
403 ÷ 118 = 3.4152542372881354
3.4152542372881354 x 100 = 341.53%