-63.5% is the change from 822 to 300
Calculation steps:
[( 300 - 822 ) ÷ 822] x 100 = -63.5%
Formula
Percentage change = [(300 - 822) / 822] x 100
Subtract the new number by the original number
300 - 822 = -522
-522 ÷ 822 = -0.635036496350365
-0.635036496350365 x 100 = -63.5%