219.87% is the change from 312 to 998
Calculation steps:
[( 998 - 312 ) ÷ 312] x 100 = 219.87%
Formula
Percentage change = [(998 - 312) / 312] x 100
Subtract the new number by the original number
998 - 312 = 686
686 ÷ 312 = 2.198717948717949
2.198717948717949 x 100 = 219.87%