55.63% is the change from 311 to 484
Calculation steps:
[( 484 - 311 ) ÷ 311] x 100 = 55.63%
Formula
Percentage change = [(484 - 311) / 311] x 100
Subtract the new number by the original number
484 - 311 = 173
173 ÷ 311 = 0.5562700964630225
0.5562700964630225 x 100 = 55.63%