-26.64% is the change from 991 to 727
Calculation steps:
[( 727 - 991 ) ÷ 991] x 100 = -26.64%
Formula
Percentage change = [(727 - 991) / 991] x 100
Subtract the new number by the original number
727 - 991 = -264
-264 ÷ 991 = -0.26639757820383453
-0.26639757820383453 x 100 = -26.64%