-94.75% is the change from 819 to 43
Calculation steps:
[( 43 - 819 ) ÷ 819] x 100 = -94.75%
Formula
Percentage change = [(43 - 819) / 819] x 100
Subtract the new number by the original number
43 - 819 = -776
-776 ÷ 819 = -0.9474969474969475
-0.9474969474969475 x 100 = -94.75%