-75.68% is the change from 37 to 9
Calculation steps:
[( 9 - 37 ) ÷ 37] x 100 = -75.68%
Formula
Percentage change = [(9 - 37) / 37] x 100
Subtract the new number by the original number
9 - 37 = -28
-28 ÷ 37 = -0.7567567567567568
-0.7567567567567568 x 100 = -75.68%