35.51% is the change from 490 to 664
Calculation steps:
[( 664 - 490 ) ÷ 490] x 100 = 35.51%
Formula
Percentage change = [(664 - 490) / 490] x 100
Subtract the new number by the original number
664 - 490 = 174
174 ÷ 490 = 0.3551020408163265
0.3551020408163265 x 100 = 35.51%