-94.88% is the change from 644 to 33
Calculation steps:
[( 33 - 644 ) ÷ 644] x 100 = -94.88%
Formula
Percentage change = [(33 - 644) / 644] x 100
Subtract the new number by the original number
33 - 644 = -611
-611 ÷ 644 = -0.9487577639751553
-0.9487577639751553 x 100 = -94.88%