68.44% is the change from 301 to 507
Calculation steps:
[( 507 - 301 ) ÷ 301] x 100 = 68.44%
Formula
Percentage change = [(507 - 301) / 301] x 100
Subtract the new number by the original number
507 - 301 = 206
206 ÷ 301 = 0.6843853820598007
0.6843853820598007 x 100 = 68.44%