-89.58% is the change from 528 to 55
Calculation steps:
[( 55 - 528 ) ÷ 528] x 100 = -89.58%
Formula
Percentage change = [(55 - 528) / 528] x 100
Subtract the new number by the original number
55 - 528 = -473
-473 ÷ 528 = -0.8958333333333334
-0.8958333333333334 x 100 = -89.58%