198.06% is the change from 103 to 307
Calculation steps:
[( 307 - 103 ) ÷ 103] x 100 = 198.06%
Formula
Percentage change = [(307 - 103) / 103] x 100
Subtract the new number by the original number
307 - 103 = 204
204 ÷ 103 = 1.9805825242718447
1.9805825242718447 x 100 = 198.06%