-28.23% is the change from 705 to 506
Calculation steps:
[( 506 - 705 ) ÷ 705] x 100 = -28.23%
Formula
Percentage change = [(506 - 705) / 705] x 100
Subtract the new number by the original number
506 - 705 = -199
-199 ÷ 705 = -0.2822695035460993
-0.2822695035460993 x 100 = -28.23%