-66.42% is the change from 822 to 276
Calculation steps:
[( 276 - 822 ) ÷ 822] x 100 = -66.42%
Formula
Percentage change = [(276 - 822) / 822] x 100
Subtract the new number by the original number
276 - 822 = -546
-546 ÷ 822 = -0.6642335766423357
-0.6642335766423357 x 100 = -66.42%