-63.3% is the change from 823 to 302
Calculation steps:
[( 302 - 823 ) ÷ 823] x 100 = -63.3%
Formula
Percentage change = [(302 - 823) / 823] x 100
Subtract the new number by the original number
302 - 823 = -521
-521 ÷ 823 = -0.6330498177399757
-0.6330498177399757 x 100 = -63.3%