42.84% is the change from 663 to 947
Calculation steps:
[( 947 - 663 ) ÷ 663] x 100 = 42.84%
Formula
Percentage change = [(947 - 663) / 663] x 100
Subtract the new number by the original number
947 - 663 = 284
284 ÷ 663 = 0.42835595776772245
0.42835595776772245 x 100 = 42.84%