-93.1% is the change from 623 to 43
Calculation steps:
[( 43 - 623 ) ÷ 623] x 100 = -93.1%
Formula
Percentage change = [(43 - 623) / 623] x 100
Subtract the new number by the original number
43 - 623 = -580
-580 ÷ 623 = -0.9309791332263242
-0.9309791332263242 x 100 = -93.1%