51.03% is the change from 145 to 219
Calculation steps:
[( 219 - 145 ) ÷ 145] x 100 = 51.03%
Formula
Percentage change = [(219 - 145) / 145] x 100
Subtract the new number by the original number
219 - 145 = 74
74 ÷ 145 = 0.5103448275862069
0.5103448275862069 x 100 = 51.03%