-1.72% is the change from 989 to 972
Calculation steps:
[( 972 - 989 ) ÷ 989] x 100 = -1.72%
Formula
Percentage change = [(972 - 989) / 989] x 100
Subtract the new number by the original number
972 - 989 = -17
-17 ÷ 989 = -0.017189079878665317
-0.017189079878665317 x 100 = -1.72%