-91.4% is the change from 849 to 73
Calculation steps:
[( 73 - 849 ) ÷ 849] x 100 = -91.4%
Formula
Percentage change = [(73 - 849) / 849] x 100
Subtract the new number by the original number
73 - 849 = -776
-776 ÷ 849 = -0.9140164899882215
-0.9140164899882215 x 100 = -91.4%