28.7% is the change from 669 to 861
Calculation steps:
[( 861 - 669 ) ÷ 669] x 100 = 28.7%
Formula
Percentage change = [(861 - 669) / 669] x 100
Subtract the new number by the original number
861 - 669 = 192
192 ÷ 669 = 0.28699551569506726
0.28699551569506726 x 100 = 28.7%