83.88% is the change from 490 to 901
Calculation steps:
[( 901 - 490 ) ÷ 490] x 100 = 83.88%
Formula
Percentage change = [(901 - 490) / 490] x 100
Subtract the new number by the original number
901 - 490 = 411
411 ÷ 490 = 0.8387755102040816
0.8387755102040816 x 100 = 83.88%