220.26% is the change from 311 to 996
Calculation steps:
[( 996 - 311 ) ÷ 311] x 100 = 220.26%
Formula
Percentage change = [(996 - 311) / 311] x 100
Subtract the new number by the original number
996 - 311 = 685
685 ÷ 311 = 2.202572347266881
2.202572347266881 x 100 = 220.26%