-83.33% is the change from 528 to 88
Calculation steps:
[( 88 - 528 ) ÷ 528] x 100 = -83.33%
Formula
Percentage change = [(88 - 528) / 528] x 100
Subtract the new number by the original number
88 - 528 = -440
-440 ÷ 528 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%