56.37% is the change from 204 to 319
Calculation steps:
[( 319 - 204 ) ÷ 204] x 100 = 56.37%
Formula
Percentage change = [(319 - 204) / 204] x 100
Subtract the new number by the original number
319 - 204 = 115
115 ÷ 204 = 0.5637254901960784
0.5637254901960784 x 100 = 56.37%