-49.46% is the change from 827 to 418
Calculation steps:
[( 418 - 827 ) ÷ 827] x 100 = -49.46%
Formula
Percentage change = [(418 - 827) / 827] x 100
Subtract the new number by the original number
418 - 827 = -409
-409 ÷ 827 = -0.49455864570737607
-0.49455864570737607 x 100 = -49.46%