-3.05% is the change from 491 to 476
Calculation steps:
[( 476 - 491 ) ÷ 491] x 100 = -3.05%
Formula
Percentage change = [(476 - 491) / 491] x 100
Subtract the new number by the original number
476 - 491 = -15
-15 ÷ 491 = -0.03054989816700611
-0.03054989816700611 x 100 = -3.05%