-64.47% is the change from 864 to 307
Calculation steps:
[( 307 - 864 ) ÷ 864] x 100 = -64.47%
Formula
Percentage change = [(307 - 864) / 864] x 100
Subtract the new number by the original number
307 - 864 = -557
-557 ÷ 864 = -0.6446759259259259
-0.6446759259259259 x 100 = -64.47%