200.98% is the change from 102 to 307
Calculation steps:
[( 307 - 102 ) ÷ 102] x 100 = 200.98%
Formula
Percentage change = [(307 - 102) / 102] x 100
Subtract the new number by the original number
307 - 102 = 205
205 ÷ 102 = 2.0098039215686274
2.0098039215686274 x 100 = 200.98%