40.74% is the change from 680 to 957
Calculation steps:
[( 957 - 680 ) ÷ 680] x 100 = 40.74%
Formula
Percentage change = [(957 - 680) / 680] x 100
Subtract the new number by the original number
957 - 680 = 277
277 ÷ 680 = 0.4073529411764706
0.4073529411764706 x 100 = 40.74%