73.81% is the change from 294 to 511
Calculation steps:
[( 511 - 294 ) ÷ 294] x 100 = 73.81%
Formula
Percentage change = [(511 - 294) / 294] x 100
Subtract the new number by the original number
511 - 294 = 217
217 ÷ 294 = 0.7380952380952381
0.7380952380952381 x 100 = 73.81%