301.43% is the change from 70 to 281
Calculation steps:
[( 281 - 70 ) ÷ 70] x 100 = 301.43%
Formula
Percentage change = [(281 - 70) / 70] x 100
Subtract the new number by the original number
281 - 70 = 211
211 ÷ 70 = 3.0142857142857142
3.0142857142857142 x 100 = 301.43%