-28.83% is the change from 503 to 358
Calculation steps:
[( 358 - 503 ) ÷ 503] x 100 = -28.83%
Formula
Percentage change = [(358 - 503) / 503] x 100
Subtract the new number by the original number
358 - 503 = -145
-145 ÷ 503 = -0.2882703777335984
-0.2882703777335984 x 100 = -28.83%