78.57% is the change from 434 to 775
Calculation steps:
[( 775 - 434 ) ÷ 434] x 100 = 78.57%
Formula
Percentage change = [(775 - 434) / 434] x 100
Subtract the new number by the original number
775 - 434 = 341
341 ÷ 434 = 0.7857142857142857
0.7857142857142857 x 100 = 78.57%