98.15% is the change from 162 to 321
Calculation steps:
[( 321 - 162 ) ÷ 162] x 100 = 98.15%
Formula
Percentage change = [(321 - 162) / 162] x 100
Subtract the new number by the original number
321 - 162 = 159
159 ÷ 162 = 0.9814814814814815
0.9814814814814815 x 100 = 98.15%