-68.14% is the change from 998 to 318
Calculation steps:
[( 318 - 998 ) ÷ 998] x 100 = -68.14%
Formula
Percentage change = [(318 - 998) / 998] x 100
Subtract the new number by the original number
318 - 998 = -680
-680 ÷ 998 = -0.6813627254509018
-0.6813627254509018 x 100 = -68.14%