-44.31% is the change from 817 to 455
Calculation steps:
[( 455 - 817 ) ÷ 817] x 100 = -44.31%
Formula
Percentage change = [(455 - 817) / 817] x 100
Subtract the new number by the original number
455 - 817 = -362
-362 ÷ 817 = -0.4430844553243574
-0.4430844553243574 x 100 = -44.31%