-28.06% is the change from 670 to 482
Calculation steps:
[( 482 - 670 ) ÷ 670] x 100 = -28.06%
Formula
Percentage change = [(482 - 670) / 670] x 100
Subtract the new number by the original number
482 - 670 = -188
-188 ÷ 670 = -0.28059701492537314
-0.28059701492537314 x 100 = -28.06%