555% is the change from 100 to 655
Calculation steps:
[( 655 - 100 ) ÷ 100] x 100 = 555%
Formula
Percentage change = [(655 - 100) / 100] x 100
Subtract the new number by the original number
655 - 100 = 555
555 ÷ 100 = 5.55
5.55 x 100 = 555%
Example