-28.71% is the change from 620 to 442
Calculation steps:
[( 442 - 620 ) ÷ 620] x 100 = -28.71%
Formula
Percentage change = [(442 - 620) / 620] x 100
Subtract the new number by the original number
442 - 620 = -178
-178 ÷ 620 = -0.2870967741935484
-0.2870967741935484 x 100 = -28.71%