-20.85% is the change from 849 to 672
Calculation steps:
[( 672 - 849 ) ÷ 849] x 100 = -20.85%
Formula
Percentage change = [(672 - 849) / 849] x 100
Subtract the new number by the original number
672 - 849 = -177
-177 ÷ 849 = -0.20848056537102475
-0.20848056537102475 x 100 = -20.85%