-78.6% is the change from 841 to 180
Calculation steps:
[( 180 - 841 ) ÷ 841] x 100 = -78.6%
Formula
Percentage change = [(180 - 841) / 841] x 100
Subtract the new number by the original number
180 - 841 = -661
-661 ÷ 841 = -0.7859690844233056
-0.7859690844233056 x 100 = -78.6%