662.86% is the change from 70 to 534
Calculation steps:
[( 534 - 70 ) ÷ 70] x 100 = 662.86%
Formula
Percentage change = [(534 - 70) / 70] x 100
Subtract the new number by the original number
534 - 70 = 464
464 ÷ 70 = 6.628571428571429
6.628571428571429 x 100 = 662.86%