-78.26% is the change from 966 to 210
Calculation steps:
[( 210 - 966 ) ÷ 966] x 100 = -78.26%
Formula
Percentage change = [(210 - 966) / 966] x 100
Subtract the new number by the original number
210 - 966 = -756
-756 ÷ 966 = -0.782608695652174
-0.782608695652174 x 100 = -78.26%