-50.67% is the change from 975 to 481
Calculation steps:
[( 481 - 975 ) ÷ 975] x 100 = -50.67%
Formula
Percentage change = [(481 - 975) / 975] x 100
Subtract the new number by the original number
481 - 975 = -494
-494 ÷ 975 = -0.5066666666666667
-0.5066666666666667 x 100 = -50.67%