-78.71% is the change from 620 to 132
Calculation steps:
[( 132 - 620 ) ÷ 620] x 100 = -78.71%
Formula
Percentage change = [(132 - 620) / 620] x 100
Subtract the new number by the original number
132 - 620 = -488
-488 ÷ 620 = -0.7870967741935484
-0.7870967741935484 x 100 = -78.71%