145.63% is the change from 206 to 506
Calculation steps:
[( 506 - 206 ) ÷ 206] x 100 = 145.63%
Formula
Percentage change = [(506 - 206) / 206] x 100
Subtract the new number by the original number
506 - 206 = 300
300 ÷ 206 = 1.4563106796116505
1.4563106796116505 x 100 = 145.63%