102.91% is the change from 103 to 209
Calculation steps:
[( 209 - 103 ) ÷ 103] x 100 = 102.91%
Formula
Percentage change = [(209 - 103) / 103] x 100
Subtract the new number by the original number
209 - 103 = 106
106 ÷ 103 = 1.029126213592233
1.029126213592233 x 100 = 102.91%