-94.59% is the change from 628 to 34
Calculation steps:
[( 34 - 628 ) ÷ 628] x 100 = -94.59%
Formula
Percentage change = [(34 - 628) / 628] x 100
Subtract the new number by the original number
34 - 628 = -594
-594 ÷ 628 = -0.945859872611465
-0.945859872611465 x 100 = -94.59%