42.79% is the change from 680 to 971
Calculation steps:
[( 971 - 680 ) ÷ 680] x 100 = 42.79%
Formula
Percentage change = [(971 - 680) / 680] x 100
Subtract the new number by the original number
971 - 680 = 291
291 ÷ 680 = 0.4279411764705882
0.4279411764705882 x 100 = 42.79%