49.53% is the change from 214 to 320
Calculation steps:
[( 320 - 214 ) ÷ 214] x 100 = 49.53%
Formula
Percentage change = [(320 - 214) / 214] x 100
Subtract the new number by the original number
320 - 214 = 106
106 ÷ 214 = 0.4953271028037383
0.4953271028037383 x 100 = 49.53%