-90.31% is the change from 991 to 96
Calculation steps:
[( 96 - 991 ) ÷ 991] x 100 = -90.31%
Formula
Percentage change = [(96 - 991) / 991] x 100
Subtract the new number by the original number
96 - 991 = -895
-895 ÷ 991 = -0.9031281533804238
-0.9031281533804238 x 100 = -90.31%