181.63% is the change from 49 to 138
Calculation steps:
[( 138 - 49 ) ÷ 49] x 100 = 181.63%
Formula
Percentage change = [(138 - 49) / 49] x 100
Subtract the new number by the original number
138 - 49 = 89
89 ÷ 49 = 1.816326530612245
1.816326530612245 x 100 = 181.63%