30.36% is the change from 168 to 219
Calculation steps:
[( 219 - 168 ) ÷ 168] x 100 = 30.36%
Formula
Percentage change = [(219 - 168) / 168] x 100
Subtract the new number by the original number
219 - 168 = 51
51 ÷ 168 = 0.30357142857142855
0.30357142857142855 x 100 = 30.36%