-4.66% is the change from 966 to 921
Calculation steps:
[( 921 - 966 ) ÷ 966] x 100 = -4.66%
Formula
Percentage change = [(921 - 966) / 966] x 100
Subtract the new number by the original number
921 - 966 = -45
-45 ÷ 966 = -0.046583850931677016
-0.046583850931677016 x 100 = -4.66%