116.15% is the change from 390 to 843
Calculation steps:
[( 843 - 390 ) ÷ 390] x 100 = 116.15%
Formula
Percentage change = [(843 - 390) / 390] x 100
Subtract the new number by the original number
843 - 390 = 453
453 ÷ 390 = 1.1615384615384616
1.1615384615384616 x 100 = 116.15%