-91.48% is the change from 528 to 45
Calculation steps:
[( 45 - 528 ) ÷ 528] x 100 = -91.48%
Formula
Percentage change = [(45 - 528) / 528] x 100
Subtract the new number by the original number
45 - 528 = -483
-483 ÷ 528 = -0.9147727272727273
-0.9147727272727273 x 100 = -91.48%