31.07% is the change from 663 to 869
Calculation steps:
[( 869 - 663 ) ÷ 663] x 100 = 31.07%
Formula
Percentage change = [(869 - 663) / 663] x 100
Subtract the new number by the original number
869 - 663 = 206
206 ÷ 663 = 0.31070889894419307
0.31070889894419307 x 100 = 31.07%