86.97% is the change from 491 to 918
Calculation steps:
[( 918 - 491 ) ÷ 491] x 100 = 86.97%
Formula
Percentage change = [(918 - 491) / 491] x 100
Subtract the new number by the original number
918 - 491 = 427
427 ÷ 491 = 0.869653767820774
0.869653767820774 x 100 = 86.97%