-2.34% is the change from 981 to 958
Calculation steps:
[( 958 - 981 ) ÷ 981] x 100 = -2.34%
Formula
Percentage change = [(958 - 981) / 981] x 100
Subtract the new number by the original number
958 - 981 = -23
-23 ÷ 981 = -0.023445463812436288
-0.023445463812436288 x 100 = -2.34%