-13.09% is the change from 909 to 790
Calculation steps:
[( 790 - 909 ) ÷ 909] x 100 = -13.09%
Formula
Percentage change = [(790 - 909) / 909] x 100
Subtract the new number by the original number
790 - 909 = -119
-119 ÷ 909 = -0.13091309130913092
-0.13091309130913092 x 100 = -13.09%