174.51% is the change from 102 to 280
Calculation steps:
[( 280 - 102 ) ÷ 102] x 100 = 174.51%
Formula
Percentage change = [(280 - 102) / 102] x 100
Subtract the new number by the original number
280 - 102 = 178
178 ÷ 102 = 1.7450980392156863
1.7450980392156863 x 100 = 174.51%