-81.49% is the change from 805 to 149
Calculation steps:
[( 149 - 805 ) ÷ 805] x 100 = -81.49%
Formula
Percentage change = [(149 - 805) / 805] x 100
Subtract the new number by the original number
149 - 805 = -656
-656 ÷ 805 = -0.8149068322981367
-0.8149068322981367 x 100 = -81.49%