149.59% is the change from 121 to 302
Calculation steps:
[( 302 - 121 ) ÷ 121] x 100 = 149.59%
Formula
Percentage change = [(302 - 121) / 121] x 100
Subtract the new number by the original number
302 - 121 = 181
181 ÷ 121 = 1.4958677685950412
1.4958677685950412 x 100 = 149.59%