147.1% is the change from 310 to 766
Calculation steps:
[( 766 - 310 ) ÷ 310] x 100 = 147.1%
Formula
Percentage change = [(766 - 310) / 310] x 100
Subtract the new number by the original number
766 - 310 = 456
456 ÷ 310 = 1.4709677419354839
1.4709677419354839 x 100 = 147.1%