-1.53% is the change from 981 to 966
Calculation steps:
[( 966 - 981 ) ÷ 981] x 100 = -1.53%
Formula
Percentage change = [(966 - 981) / 981] x 100
Subtract the new number by the original number
966 - 981 = -15
-15 ÷ 981 = -0.01529051987767584
-0.01529051987767584 x 100 = -1.53%