-38.66% is the change from 864 to 530
Calculation steps:
[( 530 - 864 ) ÷ 864] x 100 = -38.66%
Formula
Percentage change = [(530 - 864) / 864] x 100
Subtract the new number by the original number
530 - 864 = -334
-334 ÷ 864 = -0.38657407407407407
-0.38657407407407407 x 100 = -38.66%