-19.56% is the change from 680 to 547
Calculation steps:
[( 547 - 680 ) ÷ 680] x 100 = -19.56%
Formula
Percentage change = [(547 - 680) / 680] x 100
Subtract the new number by the original number
547 - 680 = -133
-133 ÷ 680 = -0.19558823529411765
-0.19558823529411765 x 100 = -19.56%