-49.33% is the change from 827 to 419
Calculation steps:
[( 419 - 827 ) ÷ 827] x 100 = -49.33%
Formula
Percentage change = [(419 - 827) / 827] x 100
Subtract the new number by the original number
419 - 827 = -408
-408 ÷ 827 = -0.49334945586457074
-0.49334945586457074 x 100 = -49.33%