-40.15% is the change from 827 to 495
Calculation steps:
[( 495 - 827 ) ÷ 827] x 100 = -40.15%
Formula
Percentage change = [(495 - 827) / 827] x 100
Subtract the new number by the original number
495 - 827 = -332
-332 ÷ 827 = -0.4014510278113664
-0.4014510278113664 x 100 = -40.15%