-44.8% is the change from 991 to 547
Calculation steps:
[( 547 - 991 ) ÷ 991] x 100 = -44.8%
Formula
Percentage change = [(547 - 991) / 991] x 100
Subtract the new number by the original number
547 - 991 = -444
-444 ÷ 991 = -0.44803229061553984
-0.44803229061553984 x 100 = -44.8%