219.23% is the change from 312 to 996
Calculation steps:
[( 996 - 312 ) ÷ 312] x 100 = 219.23%
Formula
Percentage change = [(996 - 312) / 312] x 100
Subtract the new number by the original number
996 - 312 = 684
684 ÷ 312 = 2.1923076923076925
2.1923076923076925 x 100 = 219.23%