-48.34% is the change from 811 to 419
Calculation steps:
[( 419 - 811 ) ÷ 811] x 100 = -48.34%
Formula
Percentage change = [(419 - 811) / 811] x 100
Subtract the new number by the original number
419 - 811 = -392
-392 ÷ 811 = -0.4833538840937115
-0.4833538840937115 x 100 = -48.34%