628.57% is the change from 84 to 612
Calculation steps:
[( 612 - 84 ) ÷ 84] x 100 = 628.57%
Formula
Percentage change = [(612 - 84) / 84] x 100
Subtract the new number by the original number
612 - 84 = 528
528 ÷ 84 = 6.285714285714286
6.285714285714286 x 100 = 628.57%