165.7% is the change from 207 to 550
Calculation steps:
[( 550 - 207 ) ÷ 207] x 100 = 165.7%
Formula
Percentage change = [(550 - 207) / 207] x 100
Subtract the new number by the original number
550 - 207 = 343
343 ÷ 207 = 1.6570048309178744
1.6570048309178744 x 100 = 165.7%