-37.21% is the change from 919 to 577
Calculation steps:
[( 577 - 919 ) ÷ 919] x 100 = -37.21%
Formula
Percentage change = [(577 - 919) / 919] x 100
Subtract the new number by the original number
577 - 919 = -342
-342 ÷ 919 = -0.3721436343852013
-0.3721436343852013 x 100 = -37.21%