-20.38% is the change from 844 to 672
Calculation steps:
[( 672 - 844 ) ÷ 844] x 100 = -20.38%
Formula
Percentage change = [(672 - 844) / 844] x 100
Subtract the new number by the original number
672 - 844 = -172
-172 ÷ 844 = -0.2037914691943128
-0.2037914691943128 x 100 = -20.38%