210.63% is the change from 320 to 994
Calculation steps:
[( 994 - 320 ) ÷ 320] x 100 = 210.63%
Formula
Percentage change = [(994 - 320) / 320] x 100
Subtract the new number by the original number
994 - 320 = 674
674 ÷ 320 = 2.10625
2.10625 x 100 = 210.63%