-26.01% is the change from 642 to 475
Calculation steps:
[( 475 - 642 ) ÷ 642] x 100 = -26.01%
Formula
Percentage change = [(475 - 642) / 642] x 100
Subtract the new number by the original number
475 - 642 = -167
-167 ÷ 642 = -0.2601246105919003
-0.2601246105919003 x 100 = -26.01%