-32.48% is the change from 816 to 551
Calculation steps:
[( 551 - 816 ) ÷ 816] x 100 = -32.48%
Formula
Percentage change = [(551 - 816) / 816] x 100
Subtract the new number by the original number
551 - 816 = -265
-265 ÷ 816 = -0.3247549019607843
-0.3247549019607843 x 100 = -32.48%