774.29% is the change from 70 to 612
Calculation steps:
[( 612 - 70 ) ÷ 70] x 100 = 774.29%
Formula
Percentage change = [(612 - 70) / 70] x 100
Subtract the new number by the original number
612 - 70 = 542
542 ÷ 70 = 7.742857142857143
7.742857142857143 x 100 = 774.29%