-63.33% is the change from 859 to 315
Calculation steps:
[( 315 - 859 ) ÷ 859] x 100 = -63.33%
Formula
Percentage change = [(315 - 859) / 859] x 100
Subtract the new number by the original number
315 - 859 = -544
-544 ÷ 859 = -0.6332945285215367
-0.6332945285215367 x 100 = -63.33%