-3.42% is the change from 966 to 933
Calculation steps:
[( 933 - 966 ) ÷ 966] x 100 = -3.42%
Formula
Percentage change = [(933 - 966) / 966] x 100
Subtract the new number by the original number
933 - 966 = -33
-33 ÷ 966 = -0.034161490683229816
-0.034161490683229816 x 100 = -3.42%