243.14% is the change from 102 to 350
Calculation steps:
[( 350 - 102 ) ÷ 102] x 100 = 243.14%
Formula
Percentage change = [(350 - 102) / 102] x 100
Subtract the new number by the original number
350 - 102 = 248
248 ÷ 102 = 2.4313725490196076
2.4313725490196076 x 100 = 243.14%