-49.57% is the change from 817 to 412
Calculation steps:
[( 412 - 817 ) ÷ 817] x 100 = -49.57%
Formula
Percentage change = [(412 - 817) / 817] x 100
Subtract the new number by the original number
412 - 817 = -405
-405 ÷ 817 = -0.49571603427172584
-0.49571603427172584 x 100 = -49.57%