33.54% is the change from 164 to 219
Calculation steps:
[( 219 - 164 ) ÷ 164] x 100 = 33.54%
Formula
Percentage change = [(219 - 164) / 164] x 100
Subtract the new number by the original number
219 - 164 = 55
55 ÷ 164 = 0.3353658536585366
0.3353658536585366 x 100 = 33.54%