-64.35% is the change from 993 to 354
Calculation steps:
[( 354 - 993 ) ÷ 993] x 100 = -64.35%
Formula
Percentage change = [(354 - 993) / 993] x 100
Subtract the new number by the original number
354 - 993 = -639
-639 ÷ 993 = -0.6435045317220544
-0.6435045317220544 x 100 = -64.35%