-15.27% is the change from 681 to 577
Calculation steps:
[( 577 - 681 ) ÷ 681] x 100 = -15.27%
Formula
Percentage change = [(577 - 681) / 681] x 100
Subtract the new number by the original number
577 - 681 = -104
-104 ÷ 681 = -0.1527165932452276
-0.1527165932452276 x 100 = -15.27%