-99.6% is the change from 745 to 3
Calculation steps:
[( 3 - 745 ) ÷ 745] x 100 = -99.6%
Formula
Percentage change = [(3 - 745) / 745] x 100
Subtract the new number by the original number
3 - 745 = -742
-742 ÷ 745 = -0.9959731543624161
-0.9959731543624161 x 100 = -99.6%