43.48% is the change from 660 to 947
Calculation steps:
[( 947 - 660 ) ÷ 660] x 100 = 43.48%
Formula
Percentage change = [(947 - 660) / 660] x 100
Subtract the new number by the original number
947 - 660 = 287
287 ÷ 660 = 0.4348484848484849
0.4348484848484849 x 100 = 43.48%