72.06% is the change from 494 to 850
Calculation steps:
[( 850 - 494 ) ÷ 494] x 100 = 72.06%
Formula
Percentage change = [(850 - 494) / 494] x 100
Subtract the new number by the original number
850 - 494 = 356
356 ÷ 494 = 0.7206477732793523
0.7206477732793523 x 100 = 72.06%