-83.22% is the change from 864 to 145
Calculation steps:
[( 145 - 864 ) ÷ 864] x 100 = -83.22%
Formula
Percentage change = [(145 - 864) / 864] x 100
Subtract the new number by the original number
145 - 864 = -719
-719 ÷ 864 = -0.8321759259259259
-0.8321759259259259 x 100 = -83.22%