-67.15% is the change from 551 to 181
Calculation steps:
[( 181 - 551 ) ÷ 551] x 100 = -67.15%
Formula
Percentage change = [(181 - 551) / 551] x 100
Subtract the new number by the original number
181 - 551 = -370
-370 ÷ 551 = -0.6715063520871143
-0.6715063520871143 x 100 = -67.15%