-96.45% is the change from 620 to 22
Calculation steps:
[( 22 - 620 ) ÷ 620] x 100 = -96.45%
Formula
Percentage change = [(22 - 620) / 620] x 100
Subtract the new number by the original number
22 - 620 = -598
-598 ÷ 620 = -0.964516129032258
-0.964516129032258 x 100 = -96.45%