-49.13% is the change from 975 to 496
Calculation steps:
[( 496 - 975 ) ÷ 975] x 100 = -49.13%
Formula
Percentage change = [(496 - 975) / 975] x 100
Subtract the new number by the original number
496 - 975 = -479
-479 ÷ 975 = -0.49128205128205127
-0.49128205128205127 x 100 = -49.13%