860% is the change from 55 to 528
Calculation steps:
[( 528 - 55 ) ÷ 55] x 100 = 860%
Formula
Percentage change = [(528 - 55) / 55] x 100
Subtract the new number by the original number
528 - 55 = 473
473 ÷ 55 = 8.6
8.6 x 100 = 860%
Example