-40.09% is the change from 676 to 405
Calculation steps:
[( 405 - 676 ) ÷ 676] x 100 = -40.09%
Formula
Percentage change = [(405 - 676) / 676] x 100
Subtract the new number by the original number
405 - 676 = -271
-271 ÷ 676 = -0.40088757396449703
-0.40088757396449703 x 100 = -40.09%