-17.14% is the change from 811 to 672
Calculation steps:
[( 672 - 811 ) ÷ 811] x 100 = -17.14%
Formula
Percentage change = [(672 - 811) / 811] x 100
Subtract the new number by the original number
672 - 811 = -139
-139 ÷ 811 = -0.17139334155363747
-0.17139334155363747 x 100 = -17.14%