-74.19% is the change from 957 to 247
Calculation steps:
[( 247 - 957 ) ÷ 957] x 100 = -74.19%
Formula
Percentage change = [(247 - 957) / 957] x 100
Subtract the new number by the original number
247 - 957 = -710
-710 ÷ 957 = -0.741901776384535
-0.741901776384535 x 100 = -74.19%