-35.2% is the change from 642 to 416
Calculation steps:
[( 416 - 642 ) ÷ 642] x 100 = -35.2%
Formula
Percentage change = [(416 - 642) / 642] x 100
Subtract the new number by the original number
416 - 642 = -226
-226 ÷ 642 = -0.35202492211838005
-0.35202492211838005 x 100 = -35.2%