-79.72% is the change from 577 to 117
Calculation steps:
[( 117 - 577 ) ÷ 577] x 100 = -79.72%
Formula
Percentage change = [(117 - 577) / 577] x 100
Subtract the new number by the original number
117 - 577 = -460
-460 ÷ 577 = -0.7972270363951474
-0.7972270363951474 x 100 = -79.72%