105.77% is the change from 156 to 321
Calculation steps:
[( 321 - 156 ) ÷ 156] x 100 = 105.77%
Formula
Percentage change = [(321 - 156) / 156] x 100
Subtract the new number by the original number
321 - 156 = 165
165 ÷ 156 = 1.0576923076923077
1.0576923076923077 x 100 = 105.77%