-4.19% is the change from 620 to 594
Calculation steps:
[( 594 - 620 ) ÷ 620] x 100 = -4.19%
Formula
Percentage change = [(594 - 620) / 620] x 100
Subtract the new number by the original number
594 - 620 = -26
-26 ÷ 620 = -0.041935483870967745
-0.041935483870967745 x 100 = -4.19%