742.86% is the change from 70 to 590
Calculation steps:
[( 590 - 70 ) ÷ 70] x 100 = 742.86%
Formula
Percentage change = [(590 - 70) / 70] x 100
Subtract the new number by the original number
590 - 70 = 520
520 ÷ 70 = 7.428571428571429
7.428571428571429 x 100 = 742.86%