-41.86% is the change from 817 to 475
Calculation steps:
[( 475 - 817 ) ÷ 817] x 100 = -41.86%
Formula
Percentage change = [(475 - 817) / 817] x 100
Subtract the new number by the original number
475 - 817 = -342
-342 ÷ 817 = -0.4186046511627907
-0.4186046511627907 x 100 = -41.86%