-65.76% is the change from 993 to 340
Calculation steps:
[( 340 - 993 ) ÷ 993] x 100 = -65.76%
Formula
Percentage change = [(340 - 993) / 993] x 100
Subtract the new number by the original number
340 - 993 = -653
-653 ÷ 993 = -0.6576032225579054
-0.6576032225579054 x 100 = -65.76%