-38.27% is the change from 993 to 613
Calculation steps:
[( 613 - 993 ) ÷ 993] x 100 = -38.27%
Formula
Percentage change = [(613 - 993) / 993] x 100
Subtract the new number by the original number
613 - 993 = -380
-380 ÷ 993 = -0.3826787512588117
-0.3826787512588117 x 100 = -38.27%