-50.83% is the change from 966 to 475
Calculation steps:
[( 475 - 966 ) ÷ 966] x 100 = -50.83%
Formula
Percentage change = [(475 - 966) / 966] x 100
Subtract the new number by the original number
475 - 966 = -491
-491 ÷ 966 = -0.5082815734989649
-0.5082815734989649 x 100 = -50.83%