-79.87% is the change from 601 to 121
Calculation steps:
[( 121 - 601 ) ÷ 601] x 100 = -79.87%
Formula
Percentage change = [(121 - 601) / 601] x 100
Subtract the new number by the original number
121 - 601 = -480
-480 ÷ 601 = -0.7986688851913477
-0.7986688851913477 x 100 = -79.87%