66.45% is the change from 301 to 501
Calculation steps:
[( 501 - 301 ) ÷ 301] x 100 = 66.45%
Formula
Percentage change = [(501 - 301) / 301] x 100
Subtract the new number by the original number
501 - 301 = 200
200 ÷ 301 = 0.6644518272425249
0.6644518272425249 x 100 = 66.45%