-93.27% is the change from 669 to 45
Calculation steps:
[( 45 - 669 ) ÷ 669] x 100 = -93.27%
Formula
Percentage change = [(45 - 669) / 669] x 100
Subtract the new number by the original number
45 - 669 = -624
-624 ÷ 669 = -0.9327354260089686
-0.9327354260089686 x 100 = -93.27%