-54.93% is the change from 670 to 302
Calculation steps:
[( 302 - 670 ) ÷ 670] x 100 = -54.93%
Formula
Percentage change = [(302 - 670) / 670] x 100
Subtract the new number by the original number
302 - 670 = -368
-368 ÷ 670 = -0.5492537313432836
-0.5492537313432836 x 100 = -54.93%