-27.94% is the change from 705 to 508
Calculation steps:
[( 508 - 705 ) ÷ 705] x 100 = -27.94%
Formula
Percentage change = [(508 - 705) / 705] x 100
Subtract the new number by the original number
508 - 705 = -197
-197 ÷ 705 = -0.2794326241134752
-0.2794326241134752 x 100 = -27.94%