-37.05% is the change from 421 to 265
Calculation steps:
[( 265 - 421 ) ÷ 421] x 100 = -37.05%
Formula
Percentage change = [(265 - 421) / 421] x 100
Subtract the new number by the original number
265 - 421 = -156
-156 ÷ 421 = -0.37054631828978624
-0.37054631828978624 x 100 = -37.05%