55.34% is the change from 206 to 320
Calculation steps:
[( 320 - 206 ) ÷ 206] x 100 = 55.34%
Formula
Percentage change = [(320 - 206) / 206] x 100
Subtract the new number by the original number
320 - 206 = 114
114 ÷ 206 = 0.5533980582524272
0.5533980582524272 x 100 = 55.34%