-69.51% is the change from 551 to 168
Calculation steps:
[( 168 - 551 ) ÷ 551] x 100 = -69.51%
Formula
Percentage change = [(168 - 551) / 551] x 100
Subtract the new number by the original number
168 - 551 = -383
-383 ÷ 551 = -0.6950998185117967
-0.6950998185117967 x 100 = -69.51%