-96.01% is the change from 577 to 23
Calculation steps:
[( 23 - 577 ) ÷ 577] x 100 = -96.01%
Formula
Percentage change = [(23 - 577) / 577] x 100
Subtract the new number by the original number
23 - 577 = -554
-554 ÷ 577 = -0.9601386481802426
-0.9601386481802426 x 100 = -96.01%