-26.91% is the change from 836 to 611
Calculation steps:
[( 611 - 836 ) ÷ 836] x 100 = -26.91%
Formula
Percentage change = [(611 - 836) / 836] x 100
Subtract the new number by the original number
611 - 836 = -225
-225 ÷ 836 = -0.26913875598086123
-0.26913875598086123 x 100 = -26.91%