29.14% is the change from 501 to 647
Calculation steps:
[( 647 - 501 ) ÷ 501] x 100 = 29.14%
Formula
Percentage change = [(647 - 501) / 501] x 100
Subtract the new number by the original number
647 - 501 = 146
146 ÷ 501 = 0.29141716566866266
0.29141716566866266 x 100 = 29.14%