19.21% is the change from 151 to 180
Calculation steps:
[( 180 - 151 ) ÷ 151] x 100 = 19.21%
Formula
Percentage change = [(180 - 151) / 151] x 100
Subtract the new number by the original number
180 - 151 = 29
29 ÷ 151 = 0.19205298013245034
0.19205298013245034 x 100 = 19.21%