-88.93% is the change from 551 to 61
Calculation steps:
[( 61 - 551 ) ÷ 551] x 100 = -88.93%
Formula
Percentage change = [(61 - 551) / 551] x 100
Subtract the new number by the original number
61 - 551 = -490
-490 ÷ 551 = -0.8892921960072595
-0.8892921960072595 x 100 = -88.93%