-37.53% is the change from 421 to 263
Calculation steps:
[( 263 - 421 ) ÷ 421] x 100 = -37.53%
Formula
Percentage change = [(263 - 421) / 421] x 100
Subtract the new number by the original number
263 - 421 = -158
-158 ÷ 421 = -0.3752969121140142
-0.3752969121140142 x 100 = -37.53%