-97.82% is the change from 551 to 12
Calculation steps:
[( 12 - 551 ) ÷ 551] x 100 = -97.82%
Formula
Percentage change = [(12 - 551) / 551] x 100
Subtract the new number by the original number
12 - 551 = -539
-539 ÷ 551 = -0.9782214156079855
-0.9782214156079855 x 100 = -97.82%