-94.65% is the change from 991 to 53
Calculation steps:
[( 53 - 991 ) ÷ 991] x 100 = -94.65%
Formula
Percentage change = [(53 - 991) / 991] x 100
Subtract the new number by the original number
53 - 991 = -938
-938 ÷ 991 = -0.9465186680121089
-0.9465186680121089 x 100 = -94.65%