-56.08% is the change from 551 to 242
Calculation steps:
[( 242 - 551 ) ÷ 551] x 100 = -56.08%
Formula
Percentage change = [(242 - 551) / 551] x 100
Subtract the new number by the original number
242 - 551 = -309
-309 ÷ 551 = -0.5607985480943739
-0.5607985480943739 x 100 = -56.08%