-73.46% is the change from 991 to 263
Calculation steps:
[( 263 - 991 ) ÷ 991] x 100 = -73.46%
Formula
Percentage change = [(263 - 991) / 991] x 100
Subtract the new number by the original number
263 - 991 = -728
-728 ÷ 991 = -0.7346115035317861
-0.7346115035317861 x 100 = -73.46%