873.44% is the change from 64 to 623
Calculation steps:
[( 623 - 64 ) ÷ 64] x 100 = 873.44%
Formula
Percentage change = [(623 - 64) / 64] x 100
Subtract the new number by the original number
623 - 64 = 559
559 ÷ 64 = 8.734375
8.734375 x 100 = 873.44%