-25.03% is the change from 859 to 644
Calculation steps:
[( 644 - 859 ) ÷ 859] x 100 = -25.03%
Formula
Percentage change = [(644 - 859) / 859] x 100
Subtract the new number by the original number
644 - 859 = -215
-215 ÷ 859 = -0.25029103608847497
-0.25029103608847497 x 100 = -25.03%