110.78% is the change from 102 to 215
Calculation steps:
[( 215 - 102 ) ÷ 102] x 100 = 110.78%
Formula
Percentage change = [(215 - 102) / 102] x 100
Subtract the new number by the original number
215 - 102 = 113
113 ÷ 102 = 1.107843137254902
1.107843137254902 x 100 = 110.78%