145.19% is the change from 312 to 765
Calculation steps:
[( 765 - 312 ) ÷ 312] x 100 = 145.19%
Formula
Percentage change = [(765 - 312) / 312] x 100
Subtract the new number by the original number
765 - 312 = 453
453 ÷ 312 = 1.4519230769230769
1.4519230769230769 x 100 = 145.19%