220.65% is the change from 310 to 994
Calculation steps:
[( 994 - 310 ) ÷ 310] x 100 = 220.65%
Formula
Percentage change = [(994 - 310) / 310] x 100
Subtract the new number by the original number
994 - 310 = 684
684 ÷ 310 = 2.206451612903226
2.206451612903226 x 100 = 220.65%