-91.58% is the change from 986 to 83
Calculation steps:
[( 83 - 986 ) ÷ 986] x 100 = -91.58%
Formula
Percentage change = [(83 - 986) / 986] x 100
Subtract the new number by the original number
83 - 986 = -903
-903 ÷ 986 = -0.9158215010141988
-0.9158215010141988 x 100 = -91.58%