-29.14% is the change from 501 to 355
Calculation steps:
[( 355 - 501 ) ÷ 501] x 100 = -29.14%
Formula
Percentage change = [(355 - 501) / 501] x 100
Subtract the new number by the original number
355 - 501 = -146
-146 ÷ 501 = -0.29141716566866266
-0.29141716566866266 x 100 = -29.14%