-93.78% is the change from 675 to 42
Calculation steps:
[( 42 - 675 ) ÷ 675] x 100 = -93.78%
Formula
Percentage change = [(42 - 675) / 675] x 100
Subtract the new number by the original number
42 - 675 = -633
-633 ÷ 675 = -0.9377777777777778
-0.9377777777777778 x 100 = -93.78%