-37.92% is the change from 836 to 519
Calculation steps:
[( 519 - 836 ) ÷ 836] x 100 = -37.92%
Formula
Percentage change = [(519 - 836) / 836] x 100
Subtract the new number by the original number
519 - 836 = -317
-317 ÷ 836 = -0.3791866028708134
-0.3791866028708134 x 100 = -37.92%