-38.52% is the change from 810 to 498
Calculation steps:
[( 498 - 810 ) ÷ 810] x 100 = -38.52%
Formula
Percentage change = [(498 - 810) / 810] x 100
Subtract the new number by the original number
498 - 810 = -312
-312 ÷ 810 = -0.3851851851851852
-0.3851851851851852 x 100 = -38.52%