72.84% is the change from 486 to 840
Calculation steps:
[( 840 - 486 ) ÷ 486] x 100 = 72.84%
Formula
Percentage change = [(840 - 486) / 486] x 100
Subtract the new number by the original number
840 - 486 = 354
354 ÷ 486 = 0.7283950617283951
0.7283950617283951 x 100 = 72.84%