-90.92% is the change from 606 to 55
Calculation steps:
[( 55 - 606 ) ÷ 606] x 100 = -90.92%
Formula
Percentage change = [(55 - 606) / 606] x 100
Subtract the new number by the original number
55 - 606 = -551
-551 ÷ 606 = -0.9092409240924092
-0.9092409240924092 x 100 = -90.92%