-99.24% is the change from 528 to 4
Calculation steps:
[( 4 - 528 ) ÷ 528] x 100 = -99.24%
Formula
Percentage change = [(4 - 528) / 528] x 100
Subtract the new number by the original number
4 - 528 = -524
-524 ÷ 528 = -0.9924242424242424
-0.9924242424242424 x 100 = -99.24%