30.86% is the change from 162 to 212
Calculation steps:
[( 212 - 162 ) ÷ 162] x 100 = 30.86%
Formula
Percentage change = [(212 - 162) / 162] x 100
Subtract the new number by the original number
212 - 162 = 50
50 ÷ 162 = 0.30864197530864196
0.30864197530864196 x 100 = 30.86%