-7.48% is the change from 642 to 594
Calculation steps:
[( 594 - 642 ) ÷ 642] x 100 = -7.48%
Formula
Percentage change = [(594 - 642) / 642] x 100
Subtract the new number by the original number
594 - 642 = -48
-48 ÷ 642 = -0.07476635514018691
-0.07476635514018691 x 100 = -7.48%