73.63% is the change from 311 to 540
Calculation steps:
[( 540 - 311 ) ÷ 311] x 100 = 73.63%
Formula
Percentage change = [(540 - 311) / 311] x 100
Subtract the new number by the original number
540 - 311 = 229
229 ÷ 311 = 0.7363344051446945
0.7363344051446945 x 100 = 73.63%