808.57% is the change from 70 to 636
Calculation steps:
[( 636 - 70 ) ÷ 70] x 100 = 808.57%
Formula
Percentage change = [(636 - 70) / 70] x 100
Subtract the new number by the original number
636 - 70 = 566
566 ÷ 70 = 8.085714285714285
8.085714285714285 x 100 = 808.57%