72.45% is the change from 490 to 845
Calculation steps:
[( 845 - 490 ) ÷ 490] x 100 = 72.45%
Formula
Percentage change = [(845 - 490) / 490] x 100
Subtract the new number by the original number
845 - 490 = 355
355 ÷ 490 = 0.7244897959183674
0.7244897959183674 x 100 = 72.45%