-90.15% is the change from 528 to 52
Calculation steps:
[( 52 - 528 ) ÷ 528] x 100 = -90.15%
Formula
Percentage change = [(52 - 528) / 528] x 100
Subtract the new number by the original number
52 - 528 = -476
-476 ÷ 528 = -0.9015151515151515
-0.9015151515151515 x 100 = -90.15%