29.9% is the change from 669 to 869
Calculation steps:
[( 869 - 669 ) ÷ 669] x 100 = 29.9%
Formula
Percentage change = [(869 - 669) / 669] x 100
Subtract the new number by the original number
869 - 669 = 200
200 ÷ 669 = 0.29895366218236175
0.29895366218236175 x 100 = 29.9%