-64.19% is the change from 821 to 294
Calculation steps:
[( 294 - 821 ) ÷ 821] x 100 = -64.19%
Formula
Percentage change = [(294 - 821) / 821] x 100
Subtract the new number by the original number
294 - 821 = -527
-527 ÷ 821 = -0.6419001218026796
-0.6419001218026796 x 100 = -64.19%