218.45% is the change from 309 to 984
Calculation steps:
[( 984 - 309 ) ÷ 309] x 100 = 218.45%
Formula
Percentage change = [(984 - 309) / 309] x 100
Subtract the new number by the original number
984 - 309 = 675
675 ÷ 309 = 2.1844660194174756
2.1844660194174756 x 100 = 218.45%