-9.38% is the change from 991 to 898
Calculation steps:
[( 898 - 991 ) ÷ 991] x 100 = -9.38%
Formula
Percentage change = [(898 - 991) / 991] x 100
Subtract the new number by the original number
898 - 991 = -93
-93 ÷ 991 = -0.09384460141271443
-0.09384460141271443 x 100 = -9.38%