-20.1% is the change from 841 to 672
Calculation steps:
[( 672 - 841 ) ÷ 841] x 100 = -20.1%
Formula
Percentage change = [(672 - 841) / 841] x 100
Subtract the new number by the original number
672 - 841 = -169
-169 ÷ 841 = -0.20095124851367419
-0.20095124851367419 x 100 = -20.1%