29% is the change from 669 to 863
Calculation steps:
[( 863 - 669 ) ÷ 669] x 100 = 29%
Formula
Percentage change = [(863 - 669) / 669] x 100
Subtract the new number by the original number
863 - 669 = 194
194 ÷ 669 = 0.28998505231689087
0.28998505231689087 x 100 = 29%