-73.31% is the change from 963 to 257
Calculation steps:
[( 257 - 963 ) ÷ 963] x 100 = -73.31%
Formula
Percentage change = [(257 - 963) / 963] x 100
Subtract the new number by the original number
257 - 963 = -706
-706 ÷ 963 = -0.7331256490134995
-0.7331256490134995 x 100 = -73.31%