-99.64% is the change from 841 to 3
Calculation steps:
[( 3 - 841 ) ÷ 841] x 100 = -99.64%
Formula
Percentage change = [(3 - 841) / 841] x 100
Subtract the new number by the original number
3 - 841 = -838
-838 ÷ 841 = -0.9964328180737217
-0.9964328180737217 x 100 = -99.64%