244.52% is the change from 146 to 503
Calculation steps:
[( 503 - 146 ) ÷ 146] x 100 = 244.52%
Formula
Percentage change = [(503 - 146) / 146] x 100
Subtract the new number by the original number
503 - 146 = 357
357 ÷ 146 = 2.4452054794520546
2.4452054794520546 x 100 = 244.52%