34.14% is the change from 495 to 664
Calculation steps:
[( 664 - 495 ) ÷ 495] x 100 = 34.14%
Formula
Percentage change = [(664 - 495) / 495] x 100
Subtract the new number by the original number
664 - 495 = 169
169 ÷ 495 = 0.3414141414141414
0.3414141414141414 x 100 = 34.14%