-64.05% is the change from 957 to 344
Calculation steps:
[( 344 - 957 ) ÷ 957] x 100 = -64.05%
Formula
Percentage change = [(344 - 957) / 957] x 100
Subtract the new number by the original number
344 - 957 = -613
-613 ÷ 957 = -0.6405433646812957
-0.6405433646812957 x 100 = -64.05%