-25.19% is the change from 909 to 680
Calculation steps:
[( 680 - 909 ) ÷ 909] x 100 = -25.19%
Formula
Percentage change = [(680 - 909) / 909] x 100
Subtract the new number by the original number
680 - 909 = -229
-229 ÷ 909 = -0.25192519251925194
-0.25192519251925194 x 100 = -25.19%