20.63% is the change from 252 to 304
Calculation steps:
[( 304 - 252 ) ÷ 252] x 100 = 20.63%
Formula
Percentage change = [(304 - 252) / 252] x 100
Subtract the new number by the original number
304 - 252 = 52
52 ÷ 252 = 0.20634920634920634
0.20634920634920634 x 100 = 20.63%