27.35% is the change from 245 to 312
Calculation steps:
[( 312 - 245 ) ÷ 245] x 100 = 27.35%
Formula
Percentage change = [(312 - 245) / 245] x 100
Subtract the new number by the original number
312 - 245 = 67
67 ÷ 245 = 0.27346938775510204
0.27346938775510204 x 100 = 27.35%