-32.76% is the change from 989 to 665
Calculation steps:
[( 665 - 989 ) ÷ 989] x 100 = -32.76%
Formula
Percentage change = [(665 - 989) / 989] x 100
Subtract the new number by the original number
665 - 989 = -324
-324 ÷ 989 = -0.3276036400404449
-0.3276036400404449 x 100 = -32.76%