-1.43% is the change from 980 to 966
Calculation steps:
[( 966 - 980 ) ÷ 980] x 100 = -1.43%
Formula
Percentage change = [(966 - 980) / 980] x 100
Subtract the new number by the original number
966 - 980 = -14
-14 ÷ 980 = -0.014285714285714285
-0.014285714285714285 x 100 = -1.43%