166.18% is the change from 207 to 551
Calculation steps:
[( 551 - 207 ) ÷ 207] x 100 = 166.18%
Formula
Percentage change = [(551 - 207) / 207] x 100
Subtract the new number by the original number
551 - 207 = 344
344 ÷ 207 = 1.6618357487922706
1.6618357487922706 x 100 = 166.18%