270.59% is the change from 68 to 252
Calculation steps:
[( 252 - 68 ) ÷ 68] x 100 = 270.59%
Formula
Percentage change = [(252 - 68) / 68] x 100
Subtract the new number by the original number
252 - 68 = 184
184 ÷ 68 = 2.7058823529411766
2.7058823529411766 x 100 = 270.59%