-48.1% is the change from 975 to 506
Calculation steps:
[( 506 - 975 ) ÷ 975] x 100 = -48.1%
Formula
Percentage change = [(506 - 975) / 975] x 100
Subtract the new number by the original number
506 - 975 = -469
-469 ÷ 975 = -0.48102564102564105
-0.48102564102564105 x 100 = -48.1%