-77.95% is the change from 993 to 219
Calculation steps:
[( 219 - 993 ) ÷ 993] x 100 = -77.95%
Formula
Percentage change = [(219 - 993) / 993] x 100
Subtract the new number by the original number
219 - 993 = -774
-774 ÷ 993 = -0.7794561933534743
-0.7794561933534743 x 100 = -77.95%