31.69% is the change from 669 to 881
Calculation steps:
[( 881 - 669 ) ÷ 669] x 100 = 31.69%
Formula
Percentage change = [(881 - 669) / 669] x 100
Subtract the new number by the original number
881 - 669 = 212
212 ÷ 669 = 0.31689088191330345
0.31689088191330345 x 100 = 31.69%