-90.48% is the change from 620 to 59
Calculation steps:
[( 59 - 620 ) ÷ 620] x 100 = -90.48%
Formula
Percentage change = [(59 - 620) / 620] x 100
Subtract the new number by the original number
59 - 620 = -561
-561 ÷ 620 = -0.9048387096774193
-0.9048387096774193 x 100 = -90.48%