-48.27% is the change from 810 to 419
Calculation steps:
[( 419 - 810 ) ÷ 810] x 100 = -48.27%
Formula
Percentage change = [(419 - 810) / 810] x 100
Subtract the new number by the original number
419 - 810 = -391
-391 ÷ 810 = -0.48271604938271606
-0.48271604938271606 x 100 = -48.27%