-91.86% is the change from 602 to 49
Calculation steps:
[( 49 - 602 ) ÷ 602] x 100 = -91.86%
Formula
Percentage change = [(49 - 602) / 602] x 100
Subtract the new number by the original number
49 - 602 = -553
-553 ÷ 602 = -0.9186046511627907
-0.9186046511627907 x 100 = -91.86%