-64.25% is the change from 993 to 355
Calculation steps:
[( 355 - 993 ) ÷ 993] x 100 = -64.25%
Formula
Percentage change = [(355 - 993) / 993] x 100
Subtract the new number by the original number
355 - 993 = -638
-638 ÷ 993 = -0.6424974823766365
-0.6424974823766365 x 100 = -64.25%