-34.09% is the change from 836 to 551
Calculation steps:
[( 551 - 836 ) ÷ 836] x 100 = -34.09%
Formula
Percentage change = [(551 - 836) / 836] x 100
Subtract the new number by the original number
551 - 836 = -285
-285 ÷ 836 = -0.3409090909090909
-0.3409090909090909 x 100 = -34.09%