-95.02% is the change from 602 to 30
Calculation steps:
[( 30 - 602 ) ÷ 602] x 100 = -95.02%
Formula
Percentage change = [(30 - 602) / 602] x 100
Subtract the new number by the original number
30 - 602 = -572
-572 ÷ 602 = -0.9501661129568106
-0.9501661129568106 x 100 = -95.02%