-2.14% is the change from 981 to 960
Calculation steps:
[( 960 - 981 ) ÷ 981] x 100 = -2.14%
Formula
Percentage change = [(960 - 981) / 981] x 100
Subtract the new number by the original number
960 - 981 = -21
-21 ÷ 981 = -0.021406727828746176
-0.021406727828746176 x 100 = -2.14%