-78.36% is the change from 864 to 187
Calculation steps:
[( 187 - 864 ) ÷ 864] x 100 = -78.36%
Formula
Percentage change = [(187 - 864) / 864] x 100
Subtract the new number by the original number
187 - 864 = -677
-677 ÷ 864 = -0.7835648148148148
-0.7835648148148148 x 100 = -78.36%