-40.33% is the change from 848 to 506
Calculation steps:
[( 506 - 848 ) ÷ 848] x 100 = -40.33%
Formula
Percentage change = [(506 - 848) / 848] x 100
Subtract the new number by the original number
506 - 848 = -342
-342 ÷ 848 = -0.4033018867924528
-0.4033018867924528 x 100 = -40.33%