344.93% is the change from 69 to 307
Calculation steps:
[( 307 - 69 ) ÷ 69] x 100 = 344.93%
Formula
Percentage change = [(307 - 69) / 69] x 100
Subtract the new number by the original number
307 - 69 = 238
238 ÷ 69 = 3.449275362318841
3.449275362318841 x 100 = 344.93%