-32.41% is the change from 577 to 390
Calculation steps:
[( 390 - 577 ) ÷ 577] x 100 = -32.41%
Formula
Percentage change = [(390 - 577) / 577] x 100
Subtract the new number by the original number
390 - 577 = -187
-187 ÷ 577 = -0.3240901213171577
-0.3240901213171577 x 100 = -32.41%