-63.7% is the change from 821 to 298
Calculation steps:
[( 298 - 821 ) ÷ 821] x 100 = -63.7%
Formula
Percentage change = [(298 - 821) / 821] x 100
Subtract the new number by the original number
298 - 821 = -523
-523 ÷ 821 = -0.6370280146163215
-0.6370280146163215 x 100 = -63.7%