128.99% is the change from 307 to 703
Calculation steps:
[( 703 - 307 ) ÷ 307] x 100 = 128.99%
Formula
Percentage change = [(703 - 307) / 307] x 100
Subtract the new number by the original number
703 - 307 = 396
396 ÷ 307 = 1.289902280130293
1.289902280130293 x 100 = 128.99%