-58.46% is the change from 674 to 280
Calculation steps:
[( 280 - 674 ) ÷ 674] x 100 = -58.46%
Formula
Percentage change = [(280 - 674) / 674] x 100
Subtract the new number by the original number
280 - 674 = -394
-394 ÷ 674 = -0.5845697329376854
-0.5845697329376854 x 100 = -58.46%