-83.45% is the change from 864 to 143
Calculation steps:
[( 143 - 864 ) ÷ 864] x 100 = -83.45%
Formula
Percentage change = [(143 - 864) / 864] x 100
Subtract the new number by the original number
143 - 864 = -721
-721 ÷ 864 = -0.8344907407407407
-0.8344907407407407 x 100 = -83.45%