-80.5% is the change from 841 to 164
Calculation steps:
[( 164 - 841 ) ÷ 841] x 100 = -80.5%
Formula
Percentage change = [(164 - 841) / 841] x 100
Subtract the new number by the original number
164 - 841 = -677
-677 ÷ 841 = -0.8049940546967895
-0.8049940546967895 x 100 = -80.5%