648.57% is the change from 70 to 524
Calculation steps:
[( 524 - 70 ) ÷ 70] x 100 = 648.57%
Formula
Percentage change = [(524 - 70) / 70] x 100
Subtract the new number by the original number
524 - 70 = 454
454 ÷ 70 = 6.485714285714286
6.485714285714286 x 100 = 648.57%