673.24% is the change from 71 to 549
Calculation steps:
[( 549 - 71 ) ÷ 71] x 100 = 673.24%
Formula
Percentage change = [(549 - 71) / 71] x 100
Subtract the new number by the original number
549 - 71 = 478
478 ÷ 71 = 6.732394366197183
6.732394366197183 x 100 = 673.24%