-38.59% is the change from 811 to 498
Calculation steps:
[( 498 - 811 ) ÷ 811] x 100 = -38.59%
Formula
Percentage change = [(498 - 811) / 811] x 100
Subtract the new number by the original number
498 - 811 = -313
-313 ÷ 811 = -0.38594327990135635
-0.38594327990135635 x 100 = -38.59%