64.69% is the change from 490 to 807
Calculation steps:
[( 807 - 490 ) ÷ 490] x 100 = 64.69%
Formula
Percentage change = [(807 - 490) / 490] x 100
Subtract the new number by the original number
807 - 490 = 317
317 ÷ 490 = 0.6469387755102041
0.6469387755102041 x 100 = 64.69%