-28.43% is the change from 686 to 491
Calculation steps:
[( 491 - 686 ) ÷ 686] x 100 = -28.43%
Formula
Percentage change = [(491 - 686) / 686] x 100
Subtract the new number by the original number
491 - 686 = -195
-195 ÷ 686 = -0.28425655976676384
-0.28425655976676384 x 100 = -28.43%