-32.19% is the change from 991 to 672
Calculation steps:
[( 672 - 991 ) ÷ 991] x 100 = -32.19%
Formula
Percentage change = [(672 - 991) / 991] x 100
Subtract the new number by the original number
672 - 991 = -319
-319 ÷ 991 = -0.3218970736629667
-0.3218970736629667 x 100 = -32.19%