-37.24% is the change from 819 to 514
Calculation steps:
[( 514 - 819 ) ÷ 819] x 100 = -37.24%
Formula
Percentage change = [(514 - 819) / 819] x 100
Subtract the new number by the original number
514 - 819 = -305
-305 ÷ 819 = -0.3724053724053724
-0.3724053724053724 x 100 = -37.24%