-71.47% is the change from 957 to 273
Calculation steps:
[( 273 - 957 ) ÷ 957] x 100 = -71.47%
Formula
Percentage change = [(273 - 957) / 957] x 100
Subtract the new number by the original number
273 - 957 = -684
-684 ÷ 957 = -0.7147335423197492
-0.7147335423197492 x 100 = -71.47%