21.34% is the change from 253 to 307
Calculation steps:
[( 307 - 253 ) ÷ 253] x 100 = 21.34%
Formula
Percentage change = [(307 - 253) / 253] x 100
Subtract the new number by the original number
307 - 253 = 54
54 ÷ 253 = 0.2134387351778656
0.2134387351778656 x 100 = 21.34%