41.63% is the change from 663 to 939
Calculation steps:
[( 939 - 663 ) ÷ 663] x 100 = 41.63%
Formula
Percentage change = [(939 - 663) / 663] x 100
Subtract the new number by the original number
939 - 663 = 276
276 ÷ 663 = 0.416289592760181
0.416289592760181 x 100 = 41.63%