-22.7% is the change from 674 to 521
Calculation steps:
[( 521 - 674 ) ÷ 674] x 100 = -22.7%
Formula
Percentage change = [(521 - 674) / 674] x 100
Subtract the new number by the original number
521 - 674 = -153
-153 ÷ 674 = -0.22700296735905046
-0.22700296735905046 x 100 = -22.7%