-61.06% is the change from 398 to 155
Calculation steps:
[( 155 - 398 ) ÷ 398] x 100 = -61.06%
Formula
Percentage change = [(155 - 398) / 398] x 100
Subtract the new number by the original number
155 - 398 = -243
-243 ÷ 398 = -0.6105527638190955
-0.6105527638190955 x 100 = -61.06%