474.29% is the change from 70 to 402
Calculation steps:
[( 402 - 70 ) ÷ 70] x 100 = 474.29%
Formula
Percentage change = [(402 - 70) / 70] x 100
Subtract the new number by the original number
402 - 70 = 332
332 ÷ 70 = 4.742857142857143
4.742857142857143 x 100 = 474.29%