54.76% is the change from 252 to 390
Calculation steps:
[( 390 - 252 ) ÷ 252] x 100 = 54.76%
Formula
Percentage change = [(390 - 252) / 252] x 100
Subtract the new number by the original number
390 - 252 = 138
138 ÷ 252 = 0.5476190476190477
0.5476190476190477 x 100 = 54.76%
Example