56.86% is the change from 204 to 320
Calculation steps:
[( 320 - 204 ) ÷ 204] x 100 = 56.86%
Formula
Percentage change = [(320 - 204) / 204] x 100
Subtract the new number by the original number
320 - 204 = 116
116 ÷ 204 = 0.5686274509803921
0.5686274509803921 x 100 = 56.86%