-72.14% is the change from 998 to 278
Calculation steps:
[( 278 - 998 ) ÷ 998] x 100 = -72.14%
Formula
Percentage change = [(278 - 998) / 998] x 100
Subtract the new number by the original number
278 - 998 = -720
-720 ÷ 998 = -0.7214428857715431
-0.7214428857715431 x 100 = -72.14%