955.74% is the change from 61 to 644
Calculation steps:
[( 644 - 61 ) ÷ 61] x 100 = 955.74%
Formula
Percentage change = [(644 - 61) / 61] x 100
Subtract the new number by the original number
644 - 61 = 583
583 ÷ 61 = 9.557377049180328
9.557377049180328 x 100 = 955.74%