-2.25% is the change from 979 to 957
Calculation steps:
[( 957 - 979 ) ÷ 979] x 100 = -2.25%
Formula
Percentage change = [(957 - 979) / 979] x 100
Subtract the new number by the original number
957 - 979 = -22
-22 ÷ 979 = -0.02247191011235955
-0.02247191011235955 x 100 = -2.25%