106.86% is the change from 102 to 211
Calculation steps:
[( 211 - 102 ) ÷ 102] x 100 = 106.86%
Formula
Percentage change = [(211 - 102) / 102] x 100
Subtract the new number by the original number
211 - 102 = 109
109 ÷ 102 = 1.0686274509803921
1.0686274509803921 x 100 = 106.86%