197.09% is the change from 103 to 306
Calculation steps:
[( 306 - 103 ) ÷ 103] x 100 = 197.09%
Formula
Percentage change = [(306 - 103) / 103] x 100
Subtract the new number by the original number
306 - 103 = 203
203 ÷ 103 = 1.970873786407767
1.970873786407767 x 100 = 197.09%