31.67% is the change from 663 to 873
Calculation steps:
[( 873 - 663 ) ÷ 663] x 100 = 31.67%
Formula
Percentage change = [(873 - 663) / 663] x 100
Subtract the new number by the original number
873 - 663 = 210
210 ÷ 663 = 0.3167420814479638
0.3167420814479638 x 100 = 31.67%