15.84% is the change from 663 to 768
Calculation steps:
[( 768 - 663 ) ÷ 663] x 100 = 15.84%
Formula
Percentage change = [(768 - 663) / 663] x 100
Subtract the new number by the original number
768 - 663 = 105
105 ÷ 663 = 0.1583710407239819
0.1583710407239819 x 100 = 15.84%