-93.31% is the change from 628 to 42
Calculation steps:
[( 42 - 628 ) ÷ 628] x 100 = -93.31%
Formula
Percentage change = [(42 - 628) / 628] x 100
Subtract the new number by the original number
42 - 628 = -586
-586 ÷ 628 = -0.9331210191082803
-0.9331210191082803 x 100 = -93.31%