-98.55% is the change from 551 to 8
Calculation steps:
[( 8 - 551 ) ÷ 551] x 100 = -98.55%
Formula
Percentage change = [(8 - 551) / 551] x 100
Subtract the new number by the original number
8 - 551 = -543
-543 ÷ 551 = -0.985480943738657
-0.985480943738657 x 100 = -98.55%