43.14% is the change from 663 to 949
Calculation steps:
[( 949 - 663 ) ÷ 663] x 100 = 43.14%
Formula
Percentage change = [(949 - 663) / 663] x 100
Subtract the new number by the original number
949 - 663 = 286
286 ÷ 663 = 0.43137254901960786
0.43137254901960786 x 100 = 43.14%