-47.19% is the change from 606 to 320
Calculation steps:
[( 320 - 606 ) ÷ 606] x 100 = -47.19%
Formula
Percentage change = [(320 - 606) / 606] x 100
Subtract the new number by the original number
320 - 606 = -286
-286 ÷ 606 = -0.47194719471947194
-0.47194719471947194 x 100 = -47.19%