-38.94% is the change from 678 to 414
Calculation steps:
[( 414 - 678 ) ÷ 678] x 100 = -38.94%
Formula
Percentage change = [(414 - 678) / 678] x 100
Subtract the new number by the original number
414 - 678 = -264
-264 ÷ 678 = -0.3893805309734513
-0.3893805309734513 x 100 = -38.94%