-97.13% is the change from 975 to 28
Calculation steps:
[( 28 - 975 ) ÷ 975] x 100 = -97.13%
Formula
Percentage change = [(28 - 975) / 975] x 100
Subtract the new number by the original number
28 - 975 = -947
-947 ÷ 975 = -0.9712820512820513
-0.9712820512820513 x 100 = -97.13%