29.12% is the change from 680 to 878
Calculation steps:
[( 878 - 680 ) ÷ 680] x 100 = 29.12%
Formula
Percentage change = [(878 - 680) / 680] x 100
Subtract the new number by the original number
878 - 680 = 198
198 ÷ 680 = 0.2911764705882353
0.2911764705882353 x 100 = 29.12%