-44.2% is the change from 991 to 553
Calculation steps:
[( 553 - 991 ) ÷ 991] x 100 = -44.2%
Formula
Percentage change = [(553 - 991) / 991] x 100
Subtract the new number by the original number
553 - 991 = -438
-438 ÷ 991 = -0.4419778002018164
-0.4419778002018164 x 100 = -44.2%