-41.58% is the change from 683 to 399
Calculation steps:
[( 399 - 683 ) ÷ 683] x 100 = -41.58%
Formula
Percentage change = [(399 - 683) / 683] x 100
Subtract the new number by the original number
399 - 683 = -284
-284 ÷ 683 = -0.4158125915080527
-0.4158125915080527 x 100 = -41.58%