77.46% is the change from 426 to 756
Calculation steps:
[( 756 - 426 ) ÷ 426] x 100 = 77.46%
Formula
Percentage change = [(756 - 426) / 426] x 100
Subtract the new number by the original number
756 - 426 = 330
330 ÷ 426 = 0.7746478873239436
0.7746478873239436 x 100 = 77.46%