-81.02% is the change from 806 to 153
Calculation steps:
[( 153 - 806 ) ÷ 806] x 100 = -81.02%
Formula
Percentage change = [(153 - 806) / 806] x 100
Subtract the new number by the original number
153 - 806 = -653
-653 ÷ 806 = -0.8101736972704715
-0.8101736972704715 x 100 = -81.02%