-45.65% is the change from 620 to 337
Calculation steps:
[( 337 - 620 ) ÷ 620] x 100 = -45.65%
Formula
Percentage change = [(337 - 620) / 620] x 100
Subtract the new number by the original number
337 - 620 = -283
-283 ÷ 620 = -0.45645161290322583
-0.45645161290322583 x 100 = -45.65%