-91.59% is the change from 654 to 55
Calculation steps:
[( 55 - 654 ) ÷ 654] x 100 = -91.59%
Formula
Percentage change = [(55 - 654) / 654] x 100
Subtract the new number by the original number
55 - 654 = -599
-599 ÷ 654 = -0.9159021406727829
-0.9159021406727829 x 100 = -91.59%