-60.96% is the change from 397 to 155
Calculation steps:
[( 155 - 397 ) ÷ 397] x 100 = -60.96%
Formula
Percentage change = [(155 - 397) / 397] x 100
Subtract the new number by the original number
155 - 397 = -242
-242 ÷ 397 = -0.6095717884130982
-0.6095717884130982 x 100 = -60.96%