-40.75% is the change from 827 to 490
Calculation steps:
[( 490 - 827 ) ÷ 827] x 100 = -40.75%
Formula
Percentage change = [(490 - 827) / 827] x 100
Subtract the new number by the original number
490 - 827 = -337
-337 ÷ 827 = -0.407496977025393
-0.407496977025393 x 100 = -40.75%