197.12% is the change from 104 to 309
Calculation steps:
[( 309 - 104 ) ÷ 104] x 100 = 197.12%
Formula
Percentage change = [(309 - 104) / 104] x 100
Subtract the new number by the original number
309 - 104 = 205
205 ÷ 104 = 1.9711538461538463
1.9711538461538463 x 100 = 197.12%