-60.47% is the change from 989 to 391
Calculation steps:
[( 391 - 989 ) ÷ 989] x 100 = -60.47%
Formula
Percentage change = [(391 - 989) / 989] x 100
Subtract the new number by the original number
391 - 989 = -598
-598 ÷ 989 = -0.6046511627906976
-0.6046511627906976 x 100 = -60.47%