-54.97% is the change from 975 to 439
Calculation steps:
[( 439 - 975 ) ÷ 975] x 100 = -54.97%
Formula
Percentage change = [(439 - 975) / 975] x 100
Subtract the new number by the original number
439 - 975 = -536
-536 ÷ 975 = -0.5497435897435897
-0.5497435897435897 x 100 = -54.97%