-8.36% is the change from 909 to 833
Calculation steps:
[( 833 - 909 ) ÷ 909] x 100 = -8.36%
Formula
Percentage change = [(833 - 909) / 909] x 100
Subtract the new number by the original number
833 - 909 = -76
-76 ÷ 909 = -0.08360836083608361
-0.08360836083608361 x 100 = -8.36%