-70.53% is the change from 872 to 257
Calculation steps:
[( 257 - 872 ) ÷ 872] x 100 = -70.53%
Formula
Percentage change = [(257 - 872) / 872] x 100
Subtract the new number by the original number
257 - 872 = -615
-615 ÷ 872 = -0.7052752293577982
-0.7052752293577982 x 100 = -70.53%