-19.88% is the change from 674 to 540
Calculation steps:
[( 540 - 674 ) ÷ 674] x 100 = -19.88%
Formula
Percentage change = [(540 - 674) / 674] x 100
Subtract the new number by the original number
540 - 674 = -134
-134 ÷ 674 = -0.19881305637982197
-0.19881305637982197 x 100 = -19.88%