-31.72% is the change from 577 to 394
Calculation steps:
[( 394 - 577 ) ÷ 577] x 100 = -31.72%
Formula
Percentage change = [(394 - 577) / 577] x 100
Subtract the new number by the original number
394 - 577 = -183
-183 ÷ 577 = -0.317157712305026
-0.317157712305026 x 100 = -31.72%