-36.54% is the change from 810 to 514
Calculation steps:
[( 514 - 810 ) ÷ 810] x 100 = -36.54%
Formula
Percentage change = [(514 - 810) / 810] x 100
Subtract the new number by the original number
514 - 810 = -296
-296 ÷ 810 = -0.3654320987654321
-0.3654320987654321 x 100 = -36.54%