-14.52% is the change from 957 to 818
Calculation steps:
[( 818 - 957 ) ÷ 957] x 100 = -14.52%
Formula
Percentage change = [(818 - 957) / 957] x 100
Subtract the new number by the original number
818 - 957 = -139
-139 ÷ 957 = -0.1452455590386625
-0.1452455590386625 x 100 = -14.52%