-57.96% is the change from 421 to 177
Calculation steps:
[( 177 - 421 ) ÷ 421] x 100 = -57.96%
Formula
Percentage change = [(177 - 421) / 421] x 100
Subtract the new number by the original number
177 - 421 = -244
-244 ÷ 421 = -0.5795724465558195
-0.5795724465558195 x 100 = -57.96%