-20.03% is the change from 674 to 539
Calculation steps:
[( 539 - 674 ) ÷ 674] x 100 = -20.03%
Formula
Percentage change = [(539 - 674) / 674] x 100
Subtract the new number by the original number
539 - 674 = -135
-135 ÷ 674 = -0.20029673590504452
-0.20029673590504452 x 100 = -20.03%