-47.18% is the change from 975 to 515
Calculation steps:
[( 515 - 975 ) ÷ 975] x 100 = -47.18%
Formula
Percentage change = [(515 - 975) / 975] x 100
Subtract the new number by the original number
515 - 975 = -460
-460 ÷ 975 = -0.4717948717948718
-0.4717948717948718 x 100 = -47.18%