-63.21% is the change from 810 to 298
Calculation steps:
[( 298 - 810 ) ÷ 810] x 100 = -63.21%
Formula
Percentage change = [(298 - 810) / 810] x 100
Subtract the new number by the original number
298 - 810 = -512
-512 ÷ 810 = -0.6320987654320988
-0.6320987654320988 x 100 = -63.21%