-83.84% is the change from 563 to 91
Calculation steps:
[( 91 - 563 ) ÷ 563] x 100 = -83.84%
Formula
Percentage change = [(91 - 563) / 563] x 100
Subtract the new number by the original number
91 - 563 = -472
-472 ÷ 563 = -0.8383658969804618
-0.8383658969804618 x 100 = -83.84%