221.43% is the change from 14 to 45
Calculation steps:
[( 45 - 14 ) ÷ 14] x 100 = 221.43%
Formula
Percentage change = [(45 - 14) / 14] x 100
Subtract the new number by the original number
45 - 14 = 31
31 ÷ 14 = 2.2142857142857144
2.2142857142857144 x 100 = 221.43%