-82.42% is the change from 563 to 99
Calculation steps:
[( 99 - 563 ) ÷ 563] x 100 = -82.42%
Formula
Percentage change = [(99 - 563) / 563] x 100
Subtract the new number by the original number
99 - 563 = -464
-464 ÷ 563 = -0.8241563055062167
-0.8241563055062167 x 100 = -82.42%