-87.14% is the change from 622 to 80
Calculation steps:
[( 80 - 622 ) ÷ 622] x 100 = -87.14%
Formula
Percentage change = [(80 - 622) / 622] x 100
Subtract the new number by the original number
80 - 622 = -542
-542 ÷ 622 = -0.8713826366559485
-0.8713826366559485 x 100 = -87.14%