-31.72% is the change from 807 to 551
Calculation steps:
[( 551 - 807 ) ÷ 807] x 100 = -31.72%
Formula
Percentage change = [(551 - 807) / 807] x 100
Subtract the new number by the original number
551 - 807 = -256
-256 ÷ 807 = -0.31722428748451054
-0.31722428748451054 x 100 = -31.72%