102.17% is the change from 138 to 279
Calculation steps:
[( 279 - 138 ) ÷ 138] x 100 = 102.17%
Formula
Percentage change = [(279 - 138) / 138] x 100
Subtract the new number by the original number
279 - 138 = 141
141 ÷ 138 = 1.0217391304347827
1.0217391304347827 x 100 = 102.17%