-47.2% is the change from 966 to 510
Calculation steps:
[( 510 - 966 ) ÷ 966] x 100 = -47.2%
Formula
Percentage change = [(510 - 966) / 966] x 100
Subtract the new number by the original number
510 - 966 = -456
-456 ÷ 966 = -0.4720496894409938
-0.4720496894409938 x 100 = -47.2%