-66.14% is the change from 957 to 324
Calculation steps:
[( 324 - 957 ) ÷ 957] x 100 = -66.14%
Formula
Percentage change = [(324 - 957) / 957] x 100
Subtract the new number by the original number
324 - 957 = -633
-633 ÷ 957 = -0.6614420062695925
-0.6614420062695925 x 100 = -66.14%