-79.67% is the change from 674 to 137
Calculation steps:
[( 137 - 674 ) ÷ 674] x 100 = -79.67%
Formula
Percentage change = [(137 - 674) / 674] x 100
Subtract the new number by the original number
137 - 674 = -537
-537 ÷ 674 = -0.7967359050445104
-0.7967359050445104 x 100 = -79.67%