-93.51% is the change from 693 to 45
Calculation steps:
[( 45 - 693 ) ÷ 693] x 100 = -93.51%
Formula
Percentage change = [(45 - 693) / 693] x 100
Subtract the new number by the original number
45 - 693 = -648
-648 ÷ 693 = -0.935064935064935
-0.935064935064935 x 100 = -93.51%