29.45% is the change from 669 to 866
Calculation steps:
[( 866 - 669 ) ÷ 669] x 100 = 29.45%
Formula
Percentage change = [(866 - 669) / 669] x 100
Subtract the new number by the original number
866 - 669 = 197
197 ÷ 669 = 0.2944693572496263
0.2944693572496263 x 100 = 29.45%