78.62% is the change from 491 to 877
Calculation steps:
[( 877 - 491 ) ÷ 491] x 100 = 78.62%
Formula
Percentage change = [(877 - 491) / 491] x 100
Subtract the new number by the original number
877 - 491 = 386
386 ÷ 491 = 0.7861507128309573
0.7861507128309573 x 100 = 78.62%