-1.73% is the change from 980 to 963
Calculation steps:
[( 963 - 980 ) ÷ 980] x 100 = -1.73%
Formula
Percentage change = [(963 - 980) / 980] x 100
Subtract the new number by the original number
963 - 980 = -17
-17 ÷ 980 = -0.017346938775510204
-0.017346938775510204 x 100 = -1.73%