-40.07% is the change from 846 to 507
Calculation steps:
[( 507 - 846 ) ÷ 846] x 100 = -40.07%
Formula
Percentage change = [(507 - 846) / 846] x 100
Subtract the new number by the original number
507 - 846 = -339
-339 ÷ 846 = -0.40070921985815605
-0.40070921985815605 x 100 = -40.07%