-99.52% is the change from 841 to 4
Calculation steps:
[( 4 - 841 ) ÷ 841] x 100 = -99.52%
Formula
Percentage change = [(4 - 841) / 841] x 100
Subtract the new number by the original number
4 - 841 = -837
-837 ÷ 841 = -0.995243757431629
-0.995243757431629 x 100 = -99.52%