-71.65% is the change from 836 to 237
Calculation steps:
[( 237 - 836 ) ÷ 836] x 100 = -71.65%
Formula
Percentage change = [(237 - 836) / 836] x 100
Subtract the new number by the original number
237 - 836 = -599
-599 ÷ 836 = -0.7165071770334929
-0.7165071770334929 x 100 = -71.65%