-75.4% is the change from 805 to 198
Calculation steps:
[( 198 - 805 ) ÷ 805] x 100 = -75.4%
Formula
Percentage change = [(198 - 805) / 805] x 100
Subtract the new number by the original number
198 - 805 = -607
-607 ÷ 805 = -0.7540372670807454
-0.7540372670807454 x 100 = -75.4%