-78.21% is the change from 491 to 107
Calculation steps:
[( 107 - 491 ) ÷ 491] x 100 = -78.21%
Formula
Percentage change = [(107 - 491) / 491] x 100
Subtract the new number by the original number
107 - 491 = -384
-384 ÷ 491 = -0.7820773930753564
-0.7820773930753564 x 100 = -78.21%