91.7% is the change from 494 to 947
Calculation steps:
[( 947 - 494 ) ÷ 494] x 100 = 91.7%
Formula
Percentage change = [(947 - 494) / 494] x 100
Subtract the new number by the original number
947 - 494 = 453
453 ÷ 494 = 0.917004048582996
0.917004048582996 x 100 = 91.7%