-53.75% is the change from 921 to 426
Calculation steps:
[( 426 - 921 ) ÷ 921] x 100 = -53.75%
Formula
Percentage change = [(426 - 921) / 921] x 100
Subtract the new number by the original number
426 - 921 = -495
-495 ÷ 921 = -0.5374592833876222
-0.5374592833876222 x 100 = -53.75%