31.14% is the change from 668 to 876
Calculation steps:
[( 876 - 668 ) ÷ 668] x 100 = 31.14%
Formula
Percentage change = [(876 - 668) / 668] x 100
Subtract the new number by the original number
876 - 668 = 208
208 ÷ 668 = 0.31137724550898205
0.31137724550898205 x 100 = 31.14%