-66.79% is the change from 822 to 273
Calculation steps:
[( 273 - 822 ) ÷ 822] x 100 = -66.79%
Formula
Percentage change = [(273 - 822) / 822] x 100
Subtract the new number by the original number
273 - 822 = -549
-549 ÷ 822 = -0.6678832116788321
-0.6678832116788321 x 100 = -66.79%