-1.54% is the change from 973 to 958
Calculation steps:
[( 958 - 973 ) ÷ 973] x 100 = -1.54%
Formula
Percentage change = [(958 - 973) / 973] x 100
Subtract the new number by the original number
958 - 973 = -15
-15 ÷ 973 = -0.015416238437821172
-0.015416238437821172 x 100 = -1.54%