-83.88% is the change from 577 to 93
Calculation steps:
[( 93 - 577 ) ÷ 577] x 100 = -83.88%
Formula
Percentage change = [(93 - 577) / 577] x 100
Subtract the new number by the original number
93 - 577 = -484
-484 ÷ 577 = -0.8388214904679376
-0.8388214904679376 x 100 = -83.88%