39.56% is the change from 680 to 949
Calculation steps:
[( 949 - 680 ) ÷ 680] x 100 = 39.56%
Formula
Percentage change = [(949 - 680) / 680] x 100
Subtract the new number by the original number
949 - 680 = 269
269 ÷ 680 = 0.39558823529411763
0.39558823529411763 x 100 = 39.56%