-70.89% is the change from 883 to 257
Calculation steps:
[( 257 - 883 ) ÷ 883] x 100 = -70.89%
Formula
Percentage change = [(257 - 883) / 883] x 100
Subtract the new number by the original number
257 - 883 = -626
-626 ÷ 883 = -0.7089467723669309
-0.7089467723669309 x 100 = -70.89%