-72.19% is the change from 924 to 257
Calculation steps:
[( 257 - 924 ) ÷ 924] x 100 = -72.19%
Formula
Percentage change = [(257 - 924) / 924] x 100
Subtract the new number by the original number
257 - 924 = -667
-667 ÷ 924 = -0.7218614718614719
-0.7218614718614719 x 100 = -72.19%