78.89% is the change from 431 to 771
Calculation steps:
[( 771 - 431 ) ÷ 431] x 100 = 78.89%
Formula
Percentage change = [(771 - 431) / 431] x 100
Subtract the new number by the original number
771 - 431 = 340
340 ÷ 431 = 0.7888631090487239
0.7888631090487239 x 100 = 78.89%