-70.01% is the change from 957 to 287
Calculation steps:
[( 287 - 957 ) ÷ 957] x 100 = -70.01%
Formula
Percentage change = [(287 - 957) / 957] x 100
Subtract the new number by the original number
287 - 957 = -670
-670 ÷ 957 = -0.7001044932079414
-0.7001044932079414 x 100 = -70.01%