-46.09% is the change from 946 to 510
Calculation steps:
[( 510 - 946 ) ÷ 946] x 100 = -46.09%
Formula
Percentage change = [(510 - 946) / 946] x 100
Subtract the new number by the original number
510 - 946 = -436
-436 ÷ 946 = -0.4608879492600423
-0.4608879492600423 x 100 = -46.09%