50.47% is the change from 212 to 319
Calculation steps:
[( 319 - 212 ) ÷ 212] x 100 = 50.47%
Formula
Percentage change = [(319 - 212) / 212] x 100
Subtract the new number by the original number
319 - 212 = 107
107 ÷ 212 = 0.5047169811320755
0.5047169811320755 x 100 = 50.47%