7742.86% is the change from 7 to 549
Calculation steps:
[( 549 - 7 ) ÷ 7] x 100 = 7742.86%
Formula
Percentage change = [(549 - 7) / 7] x 100
Subtract the new number by the original number
549 - 7 = 542
542 ÷ 7 = 77.42857142857143
77.42857142857143 x 100 = 7742.86%