-47.49% is the change from 975 to 512
Calculation steps:
[( 512 - 975 ) ÷ 975] x 100 = -47.49%
Formula
Percentage change = [(512 - 975) / 975] x 100
Subtract the new number by the original number
512 - 975 = -463
-463 ÷ 975 = -0.4748717948717949
-0.4748717948717949 x 100 = -47.49%