54.98% is the change from 311 to 482
Calculation steps:
[( 482 - 311 ) ÷ 311] x 100 = 54.98%
Formula
Percentage change = [(482 - 311) / 311] x 100
Subtract the new number by the original number
482 - 311 = 171
171 ÷ 311 = 0.5498392282958199
0.5498392282958199 x 100 = 54.98%