-71.89% is the change from 989 to 278
Calculation steps:
[( 278 - 989 ) ÷ 989] x 100 = -71.89%
Formula
Percentage change = [(278 - 989) / 989] x 100
Subtract the new number by the original number
278 - 989 = -711
-711 ÷ 989 = -0.7189079878665319
-0.7189079878665319 x 100 = -71.89%