165% is the change from 80 to 212
Calculation steps:
[( 212 - 80 ) ÷ 80] x 100 = 165%
Formula
Percentage change = [(212 - 80) / 80] x 100
Subtract the new number by the original number
212 - 80 = 132
132 ÷ 80 = 1.65
1.65 x 100 = 165%
Example