523.53% is the change from 34 to 212
Calculation steps:
[( 212 - 34 ) ÷ 34] x 100 = 523.53%
Formula
Percentage change = [(212 - 34) / 34] x 100
Subtract the new number by the original number
212 - 34 = 178
178 ÷ 34 = 5.235294117647059
5.235294117647059 x 100 = 523.53%