-52.75% is the change from 817 to 386
Calculation steps:
[( 386 - 817 ) ÷ 817] x 100 = -52.75%
Formula
Percentage change = [(386 - 817) / 817] x 100
Subtract the new number by the original number
386 - 817 = -431
-431 ÷ 817 = -0.5275397796817626
-0.5275397796817626 x 100 = -52.75%