-20.26% is the change from 686 to 547
Calculation steps:
[( 547 - 686 ) ÷ 686] x 100 = -20.26%
Formula
Percentage change = [(547 - 686) / 686] x 100
Subtract the new number by the original number
547 - 686 = -139
-139 ÷ 686 = -0.20262390670553937
-0.20262390670553937 x 100 = -20.26%