-94.48% is the change from 670 to 37
Calculation steps:
[( 37 - 670 ) ÷ 670] x 100 = -94.48%
Formula
Percentage change = [(37 - 670) / 670] x 100
Subtract the new number by the original number
37 - 670 = -633
-633 ÷ 670 = -0.9447761194029851
-0.9447761194029851 x 100 = -94.48%