-63.18% is the change from 823 to 303
Calculation steps:
[( 303 - 823 ) ÷ 823] x 100 = -63.18%
Formula
Percentage change = [(303 - 823) / 823] x 100
Subtract the new number by the original number
303 - 823 = -520
-520 ÷ 823 = -0.6318347509113001
-0.6318347509113001 x 100 = -63.18%