88.41% is the change from 276 to 520
Calculation steps:
[( 520 - 276 ) ÷ 276] x 100 = 88.41%
Formula
Percentage change = [(520 - 276) / 276] x 100
Subtract the new number by the original number
520 - 276 = 244
244 ÷ 276 = 0.8840579710144928
0.8840579710144928 x 100 = 88.41%