-33.83% is the change from 937 to 620
Calculation steps:
[( 620 - 937 ) ÷ 937] x 100 = -33.83%
Formula
Percentage change = [(620 - 937) / 937] x 100
Subtract the new number by the original number
620 - 937 = -317
-317 ÷ 937 = -0.3383137673425827
-0.3383137673425827 x 100 = -33.83%