3311.11% is the change from 9 to 307
Calculation steps:
[( 307 - 9 ) ÷ 9] x 100 = 3311.11%
Formula
Percentage change = [(307 - 9) / 9] x 100
Subtract the new number by the original number
307 - 9 = 298
298 ÷ 9 = 33.111111111111114
33.111111111111114 x 100 = 3311.11%