-65.62% is the change from 989 to 340
Calculation steps:
[( 340 - 989 ) ÷ 989] x 100 = -65.62%
Formula
Percentage change = [(340 - 989) / 989] x 100
Subtract the new number by the original number
340 - 989 = -649
-649 ÷ 989 = -0.6562184024266936
-0.6562184024266936 x 100 = -65.62%