-66.07% is the change from 946 to 321
Calculation steps:
[( 321 - 946 ) ÷ 946] x 100 = -66.07%
Formula
Percentage change = [(321 - 946) / 946] x 100
Subtract the new number by the original number
321 - 946 = -625
-625 ÷ 946 = -0.6606765327695561
-0.6606765327695561 x 100 = -66.07%