-94.61% is the change from 686 to 37
Calculation steps:
[( 37 - 686 ) ÷ 686] x 100 = -94.61%
Formula
Percentage change = [(37 - 686) / 686] x 100
Subtract the new number by the original number
37 - 686 = -649
-649 ÷ 686 = -0.9460641399416909
-0.9460641399416909 x 100 = -94.61%