-24.33% is the change from 674 to 510
Calculation steps:
[( 510 - 674 ) ÷ 674] x 100 = -24.33%
Formula
Percentage change = [(510 - 674) / 674] x 100
Subtract the new number by the original number
510 - 674 = -164
-164 ÷ 674 = -0.2433234421364985
-0.2433234421364985 x 100 = -24.33%