65.71% is the change from 490 to 812
Calculation steps:
[( 812 - 490 ) ÷ 490] x 100 = 65.71%
Formula
Percentage change = [(812 - 490) / 490] x 100
Subtract the new number by the original number
812 - 490 = 322
322 ÷ 490 = 0.6571428571428571
0.6571428571428571 x 100 = 65.71%