-37% is the change from 819 to 516
Calculation steps:
[( 516 - 819 ) ÷ 819] x 100 = -37%
Formula
Percentage change = [(516 - 819) / 819] x 100
Subtract the new number by the original number
516 - 819 = -303
-303 ÷ 819 = -0.36996336996337
-0.36996336996337 x 100 = -37%