-91.3% is the change from 966 to 84
Calculation steps:
[( 84 - 966 ) ÷ 966] x 100 = -91.3%
Formula
Percentage change = [(84 - 966) / 966] x 100
Subtract the new number by the original number
84 - 966 = -882
-882 ÷ 966 = -0.9130434782608695
-0.9130434782608695 x 100 = -91.3%