54.15% is the change from 253 to 390
Calculation steps:
[( 390 - 253 ) ÷ 253] x 100 = 54.15%
Formula
Percentage change = [(390 - 253) / 253] x 100
Subtract the new number by the original number
390 - 253 = 137
137 ÷ 253 = 0.541501976284585
0.541501976284585 x 100 = 54.15%