521.43% is the change from 70 to 435
Calculation steps:
[( 435 - 70 ) ÷ 70] x 100 = 521.43%
Formula
Percentage change = [(435 - 70) / 70] x 100
Subtract the new number by the original number
435 - 70 = 365
365 ÷ 70 = 5.214285714285714
5.214285714285714 x 100 = 521.43%