51.45% is the change from 276 to 418
Calculation steps:
[( 418 - 276 ) ÷ 276] x 100 = 51.45%
Formula
Percentage change = [(418 - 276) / 276] x 100
Subtract the new number by the original number
418 - 276 = 142
142 ÷ 276 = 0.5144927536231884
0.5144927536231884 x 100 = 51.45%