211% is the change from 100 to 311
Calculation steps:
[( 311 - 100 ) ÷ 100] x 100 = 211%
Formula
Percentage change = [(311 - 100) / 100] x 100
Subtract the new number by the original number
311 - 100 = 211
211 ÷ 100 = 2.11
2.11 x 100 = 211%
Example