-41.95% is the change from 994 to 577
Calculation steps:
[( 577 - 994 ) ÷ 994] x 100 = -41.95%
Formula
Percentage change = [(577 - 994) / 994] x 100
Subtract the new number by the original number
577 - 994 = -417
-417 ÷ 994 = -0.41951710261569414
-0.41951710261569414 x 100 = -41.95%