121.26% is the change from 301 to 666
Calculation steps:
[( 666 - 301 ) ÷ 301] x 100 = 121.26%
Formula
Percentage change = [(666 - 301) / 301] x 100
Subtract the new number by the original number
666 - 301 = 365
365 ÷ 301 = 1.212624584717608
1.212624584717608 x 100 = 121.26%