-99.6% is the change from 749 to 3
Calculation steps:
[( 3 - 749 ) ÷ 749] x 100 = -99.6%
Formula
Percentage change = [(3 - 749) / 749] x 100
Subtract the new number by the original number
3 - 749 = -746
-746 ÷ 749 = -0.9959946595460614
-0.9959946595460614 x 100 = -99.6%