-97.19% is the change from 533 to 15
Calculation steps:
[( 15 - 533 ) ÷ 533] x 100 = -97.19%
Formula
Percentage change = [(15 - 533) / 533] x 100
Subtract the new number by the original number
15 - 533 = -518
-518 ÷ 533 = -0.9718574108818011
-0.9718574108818011 x 100 = -97.19%