-33.58% is the change from 551 to 366
Calculation steps:
[( 366 - 551 ) ÷ 551] x 100 = -33.58%
Formula
Percentage change = [(366 - 551) / 551] x 100
Subtract the new number by the original number
366 - 551 = -185
-185 ÷ 551 = -0.33575317604355714
-0.33575317604355714 x 100 = -33.58%