-60.2% is the change from 397 to 158
Calculation steps:
[( 158 - 397 ) ÷ 397] x 100 = -60.2%
Formula
Percentage change = [(158 - 397) / 397] x 100
Subtract the new number by the original number
158 - 397 = -239
-239 ÷ 397 = -0.6020151133501259
-0.6020151133501259 x 100 = -60.2%