865.45% is the change from 55 to 531
Calculation steps:
[( 531 - 55 ) ÷ 55] x 100 = 865.45%
Formula
Percentage change = [(531 - 55) / 55] x 100
Subtract the new number by the original number
531 - 55 = 476
476 ÷ 55 = 8.654545454545454
8.654545454545454 x 100 = 865.45%