277.14% is the change from 70 to 264
Calculation steps:
[( 264 - 70 ) ÷ 70] x 100 = 277.14%
Formula
Percentage change = [(264 - 70) / 70] x 100
Subtract the new number by the original number
264 - 70 = 194
194 ÷ 70 = 2.7714285714285714
2.7714285714285714 x 100 = 277.14%