-72.02% is the change from 554 to 155
Calculation steps:
[( 155 - 554 ) ÷ 554] x 100 = -72.02%
Formula
Percentage change = [(155 - 554) / 554] x 100
Subtract the new number by the original number
155 - 554 = -399
-399 ÷ 554 = -0.720216606498195
-0.720216606498195 x 100 = -72.02%