54.35% is the change from 276 to 426
Calculation steps:
[( 426 - 276 ) ÷ 276] x 100 = 54.35%
Formula
Percentage change = [(426 - 276) / 276] x 100
Subtract the new number by the original number
426 - 276 = 150
150 ÷ 276 = 0.5434782608695652
0.5434782608695652 x 100 = 54.35%