-28.53% is the change from 957 to 684
Calculation steps:
[( 684 - 957 ) ÷ 957] x 100 = -28.53%
Formula
Percentage change = [(684 - 957) / 957] x 100
Subtract the new number by the original number
684 - 957 = -273
-273 ÷ 957 = -0.2852664576802508
-0.2852664576802508 x 100 = -28.53%