-53.12% is the change from 817 to 383
Calculation steps:
[( 383 - 817 ) ÷ 817] x 100 = -53.12%
Formula
Percentage change = [(383 - 817) / 817] x 100
Subtract the new number by the original number
383 - 817 = -434
-434 ÷ 817 = -0.5312117503059975
-0.5312117503059975 x 100 = -53.12%