114.05% is the change from 121 to 259
Calculation steps:
[( 259 - 121 ) ÷ 121] x 100 = 114.05%
Formula
Percentage change = [(259 - 121) / 121] x 100
Subtract the new number by the original number
259 - 121 = 138
138 ÷ 121 = 1.140495867768595
1.140495867768595 x 100 = 114.05%