-90.85% is the change from 601 to 55
Calculation steps:
[( 55 - 601 ) ÷ 601] x 100 = -90.85%
Formula
Percentage change = [(55 - 601) / 601] x 100
Subtract the new number by the original number
55 - 601 = -546
-546 ÷ 601 = -0.908485856905158
-0.908485856905158 x 100 = -90.85%