-70.74% is the change from 957 to 280
Calculation steps:
[( 280 - 957 ) ÷ 957] x 100 = -70.74%
Formula
Percentage change = [(280 - 957) / 957] x 100
Subtract the new number by the original number
280 - 957 = -677
-677 ÷ 957 = -0.7074190177638453
-0.7074190177638453 x 100 = -70.74%