77.47% is the change from 293 to 520
Calculation steps:
[( 520 - 293 ) ÷ 293] x 100 = 77.47%
Formula
Percentage change = [(520 - 293) / 293] x 100
Subtract the new number by the original number
520 - 293 = 227
227 ÷ 293 = 0.7747440273037542
0.7747440273037542 x 100 = 77.47%