-52.02% is the change from 817 to 392
Calculation steps:
[( 392 - 817 ) ÷ 817] x 100 = -52.02%
Formula
Percentage change = [(392 - 817) / 817] x 100
Subtract the new number by the original number
392 - 817 = -425
-425 ÷ 817 = -0.5201958384332925
-0.5201958384332925 x 100 = -52.02%