949.09% is the change from 55 to 577
Calculation steps:
[( 577 - 55 ) ÷ 55] x 100 = 949.09%
Formula
Percentage change = [(577 - 55) / 55] x 100
Subtract the new number by the original number
577 - 55 = 522
522 ÷ 55 = 9.49090909090909
9.49090909090909 x 100 = 949.09%