-23.41% is the change from 551 to 422
Calculation steps:
[( 422 - 551 ) ÷ 551] x 100 = -23.41%
Formula
Percentage change = [(422 - 551) / 551] x 100
Subtract the new number by the original number
422 - 551 = -129
-129 ÷ 551 = -0.23411978221415608
-0.23411978221415608 x 100 = -23.41%