-6.8% is the change from 397 to 370
Calculation steps:
[( 370 - 397 ) ÷ 397] x 100 = -6.8%
Formula
Percentage change = [(370 - 397) / 397] x 100
Subtract the new number by the original number
370 - 397 = -27
-27 ÷ 397 = -0.06801007556675064
-0.06801007556675064 x 100 = -6.8%