136.36% is the change from 121 to 286
Calculation steps:
[( 286 - 121 ) ÷ 121] x 100 = 136.36%
Formula
Percentage change = [(286 - 121) / 121] x 100
Subtract the new number by the original number
286 - 121 = 165
165 ÷ 121 = 1.3636363636363635
1.3636363636363635 x 100 = 136.36%