-47.88% is the change from 827 to 431
Calculation steps:
[( 431 - 827 ) ÷ 827] x 100 = -47.88%
Formula
Percentage change = [(431 - 827) / 827] x 100
Subtract the new number by the original number
431 - 827 = -396
-396 ÷ 827 = -0.4788391777509069
-0.4788391777509069 x 100 = -47.88%