30.71% is the change from 495 to 647
Calculation steps:
[( 647 - 495 ) ÷ 495] x 100 = 30.71%
Formula
Percentage change = [(647 - 495) / 495] x 100
Subtract the new number by the original number
647 - 495 = 152
152 ÷ 495 = 0.30707070707070705
0.30707070707070705 x 100 = 30.71%