-30.3% is the change from 505 to 352
Calculation steps:
[( 352 - 505 ) ÷ 505] x 100 = -30.3%
Formula
Percentage change = [(352 - 505) / 505] x 100
Subtract the new number by the original number
352 - 505 = -153
-153 ÷ 505 = -0.30297029702970296
-0.30297029702970296 x 100 = -30.3%