-0.21% is the change from 975 to 973
Calculation steps:
[( 973 - 975 ) ÷ 975] x 100 = -0.21%
Formula
Percentage change = [(973 - 975) / 975] x 100
Subtract the new number by the original number
973 - 975 = -2
-2 ÷ 975 = -0.0020512820512820513
-0.0020512820512820513 x 100 = -0.21%