-40.98% is the change from 859 to 507
Calculation steps:
[( 507 - 859 ) ÷ 859] x 100 = -40.98%
Formula
Percentage change = [(507 - 859) / 859] x 100
Subtract the new number by the original number
507 - 859 = -352
-352 ÷ 859 = -0.409778812572759
-0.409778812572759 x 100 = -40.98%