-30.71% is the change from 508 to 352
Calculation steps:
[( 352 - 508 ) ÷ 508] x 100 = -30.71%
Formula
Percentage change = [(352 - 508) / 508] x 100
Subtract the new number by the original number
352 - 508 = -156
-156 ÷ 508 = -0.30708661417322836
-0.30708661417322836 x 100 = -30.71%