-70.93% is the change from 884 to 257
Calculation steps:
[( 257 - 884 ) ÷ 884] x 100 = -70.93%
Formula
Percentage change = [(257 - 884) / 884] x 100
Subtract the new number by the original number
257 - 884 = -627
-627 ÷ 884 = -0.7092760180995475
-0.7092760180995475 x 100 = -70.93%