-68.45% is the change from 989 to 312
Calculation steps:
[( 312 - 989 ) ÷ 989] x 100 = -68.45%
Formula
Percentage change = [(312 - 989) / 989] x 100
Subtract the new number by the original number
312 - 989 = -677
-677 ÷ 989 = -0.6845298281092013
-0.6845298281092013 x 100 = -68.45%