-32.28% is the change from 917 to 621
Calculation steps:
[( 621 - 917 ) ÷ 917] x 100 = -32.28%
Formula
Percentage change = [(621 - 917) / 917] x 100
Subtract the new number by the original number
621 - 917 = -296
-296 ÷ 917 = -0.3227917121046892
-0.3227917121046892 x 100 = -32.28%