-44.19% is the change from 817 to 456
Calculation steps:
[( 456 - 817 ) ÷ 817] x 100 = -44.19%
Formula
Percentage change = [(456 - 817) / 817] x 100
Subtract the new number by the original number
456 - 817 = -361
-361 ÷ 817 = -0.4418604651162791
-0.4418604651162791 x 100 = -44.19%