200.97% is the change from 103 to 310
Calculation steps:
[( 310 - 103 ) ÷ 103] x 100 = 200.97%
Formula
Percentage change = [(310 - 103) / 103] x 100
Subtract the new number by the original number
310 - 103 = 207
207 ÷ 103 = 2.0097087378640777
2.0097087378640777 x 100 = 200.97%