-48.83% is the change from 811 to 415
Calculation steps:
[( 415 - 811 ) ÷ 811] x 100 = -48.83%
Formula
Percentage change = [(415 - 811) / 811] x 100
Subtract the new number by the original number
415 - 811 = -396
-396 ÷ 811 = -0.4882860665844636
-0.4882860665844636 x 100 = -48.83%