862.5% is the change from 64 to 616
Calculation steps:
[( 616 - 64 ) ÷ 64] x 100 = 862.5%
Formula
Percentage change = [(616 - 64) / 64] x 100
Subtract the new number by the original number
616 - 64 = 552
552 ÷ 64 = 8.625
8.625 x 100 = 862.5%
Example