154.87% is the change from 390 to 994
Calculation steps:
[( 994 - 390 ) ÷ 390] x 100 = 154.87%
Formula
Percentage change = [(994 - 390) / 390] x 100
Subtract the new number by the original number
994 - 390 = 604
604 ÷ 390 = 1.5487179487179488
1.5487179487179488 x 100 = 154.87%