-38.87% is the change from 921 to 563
Calculation steps:
[( 563 - 921 ) ÷ 921] x 100 = -38.87%
Formula
Percentage change = [(563 - 921) / 921] x 100
Subtract the new number by the original number
563 - 921 = -358
-358 ÷ 921 = -0.38870792616720956
-0.38870792616720956 x 100 = -38.87%