-85.99% is the change from 421 to 59
Calculation steps:
[( 59 - 421 ) ÷ 421] x 100 = -85.99%
Formula
Percentage change = [(59 - 421) / 421] x 100
Subtract the new number by the original number
59 - 421 = -362
-362 ÷ 421 = -0.8598574821852731
-0.8598574821852731 x 100 = -85.99%