115.44% is the change from 149 to 321
Calculation steps:
[( 321 - 149 ) ÷ 149] x 100 = 115.44%
Formula
Percentage change = [(321 - 149) / 149] x 100
Subtract the new number by the original number
321 - 149 = 172
172 ÷ 149 = 1.1543624161073827
1.1543624161073827 x 100 = 115.44%