-82.54% is the change from 567 to 99
Calculation steps:
[( 99 - 567 ) ÷ 567] x 100 = -82.54%
Formula
Percentage change = [(99 - 567) / 567] x 100
Subtract the new number by the original number
99 - 567 = -468
-468 ÷ 567 = -0.8253968253968254
-0.8253968253968254 x 100 = -82.54%