29.51% is the change from 671 to 869
Calculation steps:
[( 869 - 671 ) ÷ 671] x 100 = 29.51%
Formula
Percentage change = [(869 - 671) / 671] x 100
Subtract the new number by the original number
869 - 671 = 198
198 ÷ 671 = 0.29508196721311475
0.29508196721311475 x 100 = 29.51%