-73.09% is the change from 955 to 257
Calculation steps:
[( 257 - 955 ) ÷ 955] x 100 = -73.09%
Formula
Percentage change = [(257 - 955) / 955] x 100
Subtract the new number by the original number
257 - 955 = -698
-698 ÷ 955 = -0.7308900523560209
-0.7308900523560209 x 100 = -73.09%