-26.55% is the change from 678 to 498
Calculation steps:
[( 498 - 678 ) ÷ 678] x 100 = -26.55%
Formula
Percentage change = [(498 - 678) / 678] x 100
Subtract the new number by the original number
498 - 678 = -180
-180 ÷ 678 = -0.26548672566371684
-0.26548672566371684 x 100 = -26.55%