-34.49% is the change from 606 to 397
Calculation steps:
[( 397 - 606 ) ÷ 606] x 100 = -34.49%
Formula
Percentage change = [(397 - 606) / 606] x 100
Subtract the new number by the original number
397 - 606 = -209
-209 ÷ 606 = -0.3448844884488449
-0.3448844884488449 x 100 = -34.49%