1390% is the change from 10 to 149
Calculation steps:
[( 149 - 10 ) ÷ 10] x 100 = 1390%
Formula
Percentage change = [(149 - 10) / 10] x 100
Subtract the new number by the original number
149 - 10 = 139
139 ÷ 10 = 13.9
13.9 x 100 = 1390%
Example