-45.62% is the change from 491 to 267
Calculation steps:
[( 267 - 491 ) ÷ 491] x 100 = -45.62%
Formula
Percentage change = [(267 - 491) / 491] x 100
Subtract the new number by the original number
267 - 491 = -224
-224 ÷ 491 = -0.45621181262729127
-0.45621181262729127 x 100 = -45.62%