85.99% is the change from 421 to 783
Calculation steps:
[( 783 - 421 ) ÷ 421] x 100 = 85.99%
Formula
Percentage change = [(783 - 421) / 421] x 100
Subtract the new number by the original number
783 - 421 = 362
362 ÷ 421 = 0.8598574821852731
0.8598574821852731 x 100 = 85.99%