-37.92% is the change from 828 to 514
Calculation steps:
[( 514 - 828 ) ÷ 828] x 100 = -37.92%
Formula
Percentage change = [(514 - 828) / 828] x 100
Subtract the new number by the original number
514 - 828 = -314
-314 ÷ 828 = -0.37922705314009664
-0.37922705314009664 x 100 = -37.92%