-20.52% is the change from 687 to 546
Calculation steps:
[( 546 - 687 ) ÷ 687] x 100 = -20.52%
Formula
Percentage change = [(546 - 687) / 687] x 100
Subtract the new number by the original number
546 - 687 = -141
-141 ÷ 687 = -0.2052401746724891
-0.2052401746724891 x 100 = -20.52%