-32.76% is the change from 577 to 388
Calculation steps:
[( 388 - 577 ) ÷ 577] x 100 = -32.76%
Formula
Percentage change = [(388 - 577) / 577] x 100
Subtract the new number by the original number
388 - 577 = -189
-189 ÷ 577 = -0.3275563258232236
-0.3275563258232236 x 100 = -32.76%