-39.58% is the change from 864 to 522
Calculation steps:
[( 522 - 864 ) ÷ 864] x 100 = -39.58%
Formula
Percentage change = [(522 - 864) / 864] x 100
Subtract the new number by the original number
522 - 864 = -342
-342 ÷ 864 = -0.3958333333333333
-0.3958333333333333 x 100 = -39.58%