-63.58% is the change from 821 to 299
Calculation steps:
[( 299 - 821 ) ÷ 821] x 100 = -63.58%
Formula
Percentage change = [(299 - 821) / 821] x 100
Subtract the new number by the original number
299 - 821 = -522
-522 ÷ 821 = -0.6358099878197321
-0.6358099878197321 x 100 = -63.58%