355% is the change from 100 to 455
Calculation steps:
[( 455 - 100 ) ÷ 100] x 100 = 355%
Formula
Percentage change = [(455 - 100) / 100] x 100
Subtract the new number by the original number
455 - 100 = 355
355 ÷ 100 = 3.55
3.55 x 100 = 355%
Example