-10.33% is the change from 397 to 356
Calculation steps:
[( 356 - 397 ) ÷ 397] x 100 = -10.33%
Formula
Percentage change = [(356 - 397) / 397] x 100
Subtract the new number by the original number
356 - 397 = -41
-41 ÷ 397 = -0.10327455919395466
-0.10327455919395466 x 100 = -10.33%