-71.28% is the change from 975 to 280
Calculation steps:
[( 280 - 975 ) ÷ 975] x 100 = -71.28%
Formula
Percentage change = [(280 - 975) / 975] x 100
Subtract the new number by the original number
280 - 975 = -695
-695 ÷ 975 = -0.7128205128205128
-0.7128205128205128 x 100 = -71.28%