523.08% is the change from 39 to 243
Calculation steps:
[( 243 - 39 ) ÷ 39] x 100 = 523.08%
Formula
Percentage change = [(243 - 39) / 39] x 100
Subtract the new number by the original number
243 - 39 = 204
204 ÷ 39 = 5.230769230769231
5.230769230769231 x 100 = 523.08%