-97.92% is the change from 528 to 11
Calculation steps:
[( 11 - 528 ) ÷ 528] x 100 = -97.92%
Formula
Percentage change = [(11 - 528) / 528] x 100
Subtract the new number by the original number
11 - 528 = -517
-517 ÷ 528 = -0.9791666666666666
-0.9791666666666666 x 100 = -97.92%