41.77% is the change from 668 to 947
Calculation steps:
[( 947 - 668 ) ÷ 668] x 100 = 41.77%
Formula
Percentage change = [(947 - 668) / 668] x 100
Subtract the new number by the original number
947 - 668 = 279
279 ÷ 668 = 0.4176646706586826
0.4176646706586826 x 100 = 41.77%