141.94% is the change from 310 to 750
Calculation steps:
[( 750 - 310 ) ÷ 310] x 100 = 141.94%
Formula
Percentage change = [(750 - 310) / 310] x 100
Subtract the new number by the original number
750 - 310 = 440
440 ÷ 310 = 1.4193548387096775
1.4193548387096775 x 100 = 141.94%