-65.8% is the change from 421 to 144
Calculation steps:
[( 144 - 421 ) ÷ 421] x 100 = -65.8%
Formula
Percentage change = [(144 - 421) / 421] x 100
Subtract the new number by the original number
144 - 421 = -277
-277 ÷ 421 = -0.6579572446555819
-0.6579572446555819 x 100 = -65.8%