324% is the change from 50 to 212
Calculation steps:
[( 212 - 50 ) ÷ 50] x 100 = 324%
Formula
Percentage change = [(212 - 50) / 50] x 100
Subtract the new number by the original number
212 - 50 = 162
162 ÷ 50 = 3.24
3.24 x 100 = 324%
Example