-97.23% is the change from 577 to 16
Calculation steps:
[( 16 - 577 ) ÷ 577] x 100 = -97.23%
Formula
Percentage change = [(16 - 577) / 577] x 100
Subtract the new number by the original number
16 - 577 = -561
-561 ÷ 577 = -0.9722703639514731
-0.9722703639514731 x 100 = -97.23%