144.44% is the change from 207 to 506
Calculation steps:
[( 506 - 207 ) ÷ 207] x 100 = 144.44%
Formula
Percentage change = [(506 - 207) / 207] x 100
Subtract the new number by the original number
506 - 207 = 299
299 ÷ 207 = 1.4444444444444444
1.4444444444444444 x 100 = 144.44%