-41.05% is the change from 860 to 507
Calculation steps:
[( 507 - 860 ) ÷ 860] x 100 = -41.05%
Formula
Percentage change = [(507 - 860) / 860] x 100
Subtract the new number by the original number
507 - 860 = -353
-353 ÷ 860 = -0.4104651162790698
-0.4104651162790698 x 100 = -41.05%