90.5% is the change from 421 to 802
Calculation steps:
[( 802 - 421 ) ÷ 421] x 100 = 90.5%
Formula
Percentage change = [(802 - 421) / 421] x 100
Subtract the new number by the original number
802 - 421 = 381
381 ÷ 421 = 0.9049881235154394
0.9049881235154394 x 100 = 90.5%