200% is the change from 309 to 927
Calculation steps:
[( 927 - 309 ) ÷ 309] x 100 = 200%
Formula
Percentage change = [(927 - 309) / 309] x 100
Subtract the new number by the original number
927 - 309 = 618
618 ÷ 309 = 2
2 x 100 = 200%
Example