331.43% is the change from 70 to 302
Calculation steps:
[( 302 - 70 ) ÷ 70] x 100 = 331.43%
Formula
Percentage change = [(302 - 70) / 70] x 100
Subtract the new number by the original number
302 - 70 = 232
232 ÷ 70 = 3.3142857142857145
3.3142857142857145 x 100 = 331.43%