-47.16% is the change from 827 to 437
Calculation steps:
[( 437 - 827 ) ÷ 827] x 100 = -47.16%
Formula
Percentage change = [(437 - 827) / 827] x 100
Subtract the new number by the original number
437 - 827 = -390
-390 ÷ 827 = -0.47158403869407495
-0.47158403869407495 x 100 = -47.16%