-33.94% is the change from 940 to 621
Calculation steps:
[( 621 - 940 ) ÷ 940] x 100 = -33.94%
Formula
Percentage change = [(621 - 940) / 940] x 100
Subtract the new number by the original number
621 - 940 = -319
-319 ÷ 940 = -0.3393617021276596
-0.3393617021276596 x 100 = -33.94%