-48.71% is the change from 503 to 258
Calculation steps:
[( 258 - 503 ) ÷ 503] x 100 = -48.71%
Formula
Percentage change = [(258 - 503) / 503] x 100
Subtract the new number by the original number
258 - 503 = -245
-245 ÷ 503 = -0.4870775347912525
-0.4870775347912525 x 100 = -48.71%