-38.16% is the change from 836 to 517
Calculation steps:
[( 517 - 836 ) ÷ 836] x 100 = -38.16%
Formula
Percentage change = [(517 - 836) / 836] x 100
Subtract the new number by the original number
517 - 836 = -319
-319 ÷ 836 = -0.3815789473684211
-0.3815789473684211 x 100 = -38.16%