-69.46% is the change from 822 to 251
Calculation steps:
[( 251 - 822 ) ÷ 822] x 100 = -69.46%
Formula
Percentage change = [(251 - 822) / 822] x 100
Subtract the new number by the original number
251 - 822 = -571
-571 ÷ 822 = -0.694647201946472
-0.694647201946472 x 100 = -69.46%