-12.11% is the change from 421 to 370
Calculation steps:
[( 370 - 421 ) ÷ 421] x 100 = -12.11%
Formula
Percentage change = [(370 - 421) / 421] x 100
Subtract the new number by the original number
370 - 421 = -51
-51 ÷ 421 = -0.12114014251781473
-0.12114014251781473 x 100 = -12.11%