33.68% is the change from 680 to 909
Calculation steps:
[( 909 - 680 ) ÷ 680] x 100 = 33.68%
Formula
Percentage change = [(909 - 680) / 680] x 100
Subtract the new number by the original number
909 - 680 = 229
229 ÷ 680 = 0.33676470588235297
0.33676470588235297 x 100 = 33.68%