-91.45% is the change from 620 to 53
Calculation steps:
[( 53 - 620 ) ÷ 620] x 100 = -91.45%
Formula
Percentage change = [(53 - 620) / 620] x 100
Subtract the new number by the original number
53 - 620 = -567
-567 ÷ 620 = -0.9145161290322581
-0.9145161290322581 x 100 = -91.45%