-71.51% is the change from 544 to 155
Calculation steps:
[( 155 - 544 ) ÷ 544] x 100 = -71.51%
Formula
Percentage change = [(155 - 544) / 544] x 100
Subtract the new number by the original number
155 - 544 = -389
-389 ÷ 544 = -0.7150735294117647
-0.7150735294117647 x 100 = -71.51%