-80.62% is the change from 841 to 163
Calculation steps:
[( 163 - 841 ) ÷ 841] x 100 = -80.62%
Formula
Percentage change = [(163 - 841) / 841] x 100
Subtract the new number by the original number
163 - 841 = -678
-678 ÷ 841 = -0.8061831153388823
-0.8061831153388823 x 100 = -80.62%