219.61% is the change from 311 to 994
Calculation steps:
[( 994 - 311 ) ÷ 311] x 100 = 219.61%
Formula
Percentage change = [(994 - 311) / 311] x 100
Subtract the new number by the original number
994 - 311 = 683
683 ÷ 311 = 2.1961414790996785
2.1961414790996785 x 100 = 219.61%