110% is the change from 50 to 105
Calculation steps:
[( 105 - 50 ) ÷ 50] x 100 = 110%
Formula
Percentage change = [(105 - 50) / 50] x 100
Subtract the new number by the original number
105 - 50 = 55
55 ÷ 50 = 1.1
1.1 x 100 = 110%
Example