86.73% is the change from 294 to 549
Calculation steps:
[( 549 - 294 ) ÷ 294] x 100 = 86.73%
Formula
Percentage change = [(549 - 294) / 294] x 100
Subtract the new number by the original number
549 - 294 = 255
255 ÷ 294 = 0.8673469387755102
0.8673469387755102 x 100 = 86.73%