954.1% is the change from 61 to 643
Calculation steps:
[( 643 - 61 ) ÷ 61] x 100 = 954.1%
Formula
Percentage change = [(643 - 61) / 61] x 100
Subtract the new number by the original number
643 - 61 = 582
582 ÷ 61 = 9.540983606557377
9.540983606557377 x 100 = 954.1%