-68.74% is the change from 998 to 312
Calculation steps:
[( 312 - 998 ) ÷ 998] x 100 = -68.74%
Formula
Percentage change = [(312 - 998) / 998] x 100
Subtract the new number by the original number
312 - 998 = -686
-686 ÷ 998 = -0.687374749498998
-0.687374749498998 x 100 = -68.74%