50.23% is the change from 663 to 996
Calculation steps:
[( 996 - 663 ) ÷ 663] x 100 = 50.23%
Formula
Percentage change = [(996 - 663) / 663] x 100
Subtract the new number by the original number
996 - 663 = 333
333 ÷ 663 = 0.502262443438914
0.502262443438914 x 100 = 50.23%