-91.75% is the change from 606 to 50
Calculation steps:
[( 50 - 606 ) ÷ 606] x 100 = -91.75%
Formula
Percentage change = [(50 - 606) / 606] x 100
Subtract the new number by the original number
50 - 606 = -556
-556 ÷ 606 = -0.9174917491749175
-0.9174917491749175 x 100 = -91.75%