-39% is the change from 864 to 527
Calculation steps:
[( 527 - 864 ) ÷ 864] x 100 = -39%
Formula
Percentage change = [(527 - 864) / 864] x 100
Subtract the new number by the original number
527 - 864 = -337
-337 ÷ 864 = -0.3900462962962963
-0.3900462962962963 x 100 = -39%