-64.26% is the change from 957 to 342
Calculation steps:
[( 342 - 957 ) ÷ 957] x 100 = -64.26%
Formula
Percentage change = [(342 - 957) / 957] x 100
Subtract the new number by the original number
342 - 957 = -615
-615 ÷ 957 = -0.6426332288401254
-0.6426332288401254 x 100 = -64.26%