-14.43% is the change from 492 to 421
Calculation steps:
[( 421 - 492 ) ÷ 492] x 100 = -14.43%
Formula
Percentage change = [(421 - 492) / 492] x 100
Subtract the new number by the original number
421 - 492 = -71
-71 ÷ 492 = -0.1443089430894309
-0.1443089430894309 x 100 = -14.43%