974.55% is the change from 55 to 591
Calculation steps:
[( 591 - 55 ) ÷ 55] x 100 = 974.55%
Formula
Percentage change = [(591 - 55) / 55] x 100
Subtract the new number by the original number
591 - 55 = 536
536 ÷ 55 = 9.745454545454546
9.745454545454546 x 100 = 974.55%