690% is the change from 70 to 553
Calculation steps:
[( 553 - 70 ) ÷ 70] x 100 = 690%
Formula
Percentage change = [(553 - 70) / 70] x 100
Subtract the new number by the original number
553 - 70 = 483
483 ÷ 70 = 6.9
6.9 x 100 = 690%
Example