-70.95% is the change from 864 to 251
Calculation steps:
[( 251 - 864 ) ÷ 864] x 100 = -70.95%
Formula
Percentage change = [(251 - 864) / 864] x 100
Subtract the new number by the original number
251 - 864 = -613
-613 ÷ 864 = -0.7094907407407407
-0.7094907407407407 x 100 = -70.95%