-14.94% is the change from 957 to 814
Calculation steps:
[( 814 - 957 ) ÷ 957] x 100 = -14.94%
Formula
Percentage change = [(814 - 957) / 957] x 100
Subtract the new number by the original number
814 - 957 = -143
-143 ÷ 957 = -0.14942528735632185
-0.14942528735632185 x 100 = -14.94%