51.51% is the change from 332 to 503
Calculation steps:
[( 503 - 332 ) ÷ 332] x 100 = 51.51%
Formula
Percentage change = [(503 - 332) / 332] x 100
Subtract the new number by the original number
503 - 332 = 171
171 ÷ 332 = 0.5150602409638554
0.5150602409638554 x 100 = 51.51%