-94.31% is the change from 650 to 37
Calculation steps:
[( 37 - 650 ) ÷ 650] x 100 = -94.31%
Formula
Percentage change = [(37 - 650) / 650] x 100
Subtract the new number by the original number
37 - 650 = -613
-613 ÷ 650 = -0.943076923076923
-0.943076923076923 x 100 = -94.31%