-37.55% is the change from 823 to 514
Calculation steps:
[( 514 - 823 ) ÷ 823] x 100 = -37.55%
Formula
Percentage change = [(514 - 823) / 823] x 100
Subtract the new number by the original number
514 - 823 = -309
-309 ÷ 823 = -0.3754556500607533
-0.3754556500607533 x 100 = -37.55%