-84.9% is the change from 841 to 127
Calculation steps:
[( 127 - 841 ) ÷ 841] x 100 = -84.9%
Formula
Percentage change = [(127 - 841) / 841] x 100
Subtract the new number by the original number
127 - 841 = -714
-714 ÷ 841 = -0.8489892984542212
-0.8489892984542212 x 100 = -84.9%