-56.21% is the change from 975 to 427
Calculation steps:
[( 427 - 975 ) ÷ 975] x 100 = -56.21%
Formula
Percentage change = [(427 - 975) / 975] x 100
Subtract the new number by the original number
427 - 975 = -548
-548 ÷ 975 = -0.5620512820512821
-0.5620512820512821 x 100 = -56.21%