-49.33% is the change from 817 to 414
Calculation steps:
[( 414 - 817 ) ÷ 817] x 100 = -49.33%
Formula
Percentage change = [(414 - 817) / 817] x 100
Subtract the new number by the original number
414 - 817 = -403
-403 ÷ 817 = -0.49326805385556916
-0.49326805385556916 x 100 = -49.33%