-6.83% is the change from 966 to 900
Calculation steps:
[( 900 - 966 ) ÷ 966] x 100 = -6.83%
Formula
Percentage change = [(900 - 966) / 966] x 100
Subtract the new number by the original number
900 - 966 = -66
-66 ÷ 966 = -0.06832298136645963
-0.06832298136645963 x 100 = -6.83%