-94.53% is the change from 622 to 34
Calculation steps:
[( 34 - 622 ) ÷ 622] x 100 = -94.53%
Formula
Percentage change = [(34 - 622) / 622] x 100
Subtract the new number by the original number
34 - 622 = -588
-588 ÷ 622 = -0.9453376205787781
-0.9453376205787781 x 100 = -94.53%