-66.55% is the change from 577 to 193
Calculation steps:
[( 193 - 577 ) ÷ 577] x 100 = -66.55%
Formula
Percentage change = [(193 - 577) / 577] x 100
Subtract the new number by the original number
193 - 577 = -384
-384 ÷ 577 = -0.6655112651646448
-0.6655112651646448 x 100 = -66.55%