384.29% is the change from 70 to 339
Calculation steps:
[( 339 - 70 ) ÷ 70] x 100 = 384.29%
Formula
Percentage change = [(339 - 70) / 70] x 100
Subtract the new number by the original number
339 - 70 = 269
269 ÷ 70 = 3.842857142857143
3.842857142857143 x 100 = 384.29%