-60.71% is the change from 397 to 156
Calculation steps:
[( 156 - 397 ) ÷ 397] x 100 = -60.71%
Formula
Percentage change = [(156 - 397) / 397] x 100
Subtract the new number by the original number
156 - 397 = -241
-241 ÷ 397 = -0.6070528967254408
-0.6070528967254408 x 100 = -60.71%