-32.89% is the change from 909 to 610
Calculation steps:
[( 610 - 909 ) ÷ 909] x 100 = -32.89%
Formula
Percentage change = [(610 - 909) / 909] x 100
Subtract the new number by the original number
610 - 909 = -299
-299 ÷ 909 = -0.32893289328932895
-0.32893289328932895 x 100 = -32.89%