3677.78% is the change from 9 to 340
Calculation steps:
[( 340 - 9 ) ÷ 9] x 100 = 3677.78%
Formula
Percentage change = [(340 - 9) / 9] x 100
Subtract the new number by the original number
340 - 9 = 331
331 ÷ 9 = 36.77777777777778
36.77777777777778 x 100 = 3677.78%