-23.05% is the change from 551 to 424
Calculation steps:
[( 424 - 551 ) ÷ 551] x 100 = -23.05%
Formula
Percentage change = [(424 - 551) / 551] x 100
Subtract the new number by the original number
424 - 551 = -127
-127 ÷ 551 = -0.23049001814882034
-0.23049001814882034 x 100 = -23.05%