-16.01% is the change from 687 to 577
Calculation steps:
[( 577 - 687 ) ÷ 687] x 100 = -16.01%
Formula
Percentage change = [(577 - 687) / 687] x 100
Subtract the new number by the original number
577 - 687 = -110
-110 ÷ 687 = -0.16011644832605532
-0.16011644832605532 x 100 = -16.01%