30.49% is the change from 669 to 873
Calculation steps:
[( 873 - 669 ) ÷ 669] x 100 = 30.49%
Formula
Percentage change = [(873 - 669) / 669] x 100
Subtract the new number by the original number
873 - 669 = 204
204 ÷ 669 = 0.30493273542600896
0.30493273542600896 x 100 = 30.49%