-37.61% is the change from 670 to 418
Calculation steps:
[( 418 - 670 ) ÷ 670] x 100 = -37.61%
Formula
Percentage change = [(418 - 670) / 670] x 100
Subtract the new number by the original number
418 - 670 = -252
-252 ÷ 670 = -0.3761194029850746
-0.3761194029850746 x 100 = -37.61%