-64.1% is the change from 819 to 294
Calculation steps:
[( 294 - 819 ) ÷ 819] x 100 = -64.1%
Formula
Percentage change = [(294 - 819) / 819] x 100
Subtract the new number by the original number
294 - 819 = -525
-525 ÷ 819 = -0.6410256410256411
-0.6410256410256411 x 100 = -64.1%