-56.8% is the change from 993 to 429
Calculation steps:
[( 429 - 993 ) ÷ 993] x 100 = -56.8%
Formula
Percentage change = [(429 - 993) / 993] x 100
Subtract the new number by the original number
429 - 993 = -564
-564 ÷ 993 = -0.56797583081571
-0.56797583081571 x 100 = -56.8%