-82.72% is the change from 573 to 99
Calculation steps:
[( 99 - 573 ) ÷ 573] x 100 = -82.72%
Formula
Percentage change = [(99 - 573) / 573] x 100
Subtract the new number by the original number
99 - 573 = -474
-474 ÷ 573 = -0.8272251308900523
-0.8272251308900523 x 100 = -82.72%