88.41% is the change from 138 to 260
Calculation steps:
[( 260 - 138 ) ÷ 138] x 100 = 88.41%
Formula
Percentage change = [(260 - 138) / 138] x 100
Subtract the new number by the original number
260 - 138 = 122
122 ÷ 138 = 0.8840579710144928
0.8840579710144928 x 100 = 88.41%