-91.2% is the change from 955 to 84
Calculation steps:
[( 84 - 955 ) ÷ 955] x 100 = -91.2%
Formula
Percentage change = [(84 - 955) / 955] x 100
Subtract the new number by the original number
84 - 955 = -871
-871 ÷ 955 = -0.912041884816754
-0.912041884816754 x 100 = -91.2%