-72.89% is the change from 948 to 257
Calculation steps:
[( 257 - 948 ) ÷ 948] x 100 = -72.89%
Formula
Percentage change = [(257 - 948) / 948] x 100
Subtract the new number by the original number
257 - 948 = -691
-691 ÷ 948 = -0.7289029535864979
-0.7289029535864979 x 100 = -72.89%