-98.57% is the change from 841 to 12
Calculation steps:
[( 12 - 841 ) ÷ 841] x 100 = -98.57%
Formula
Percentage change = [(12 - 841) / 841] x 100
Subtract the new number by the original number
12 - 841 = -829
-829 ÷ 841 = -0.985731272294887
-0.985731272294887 x 100 = -98.57%