-72.71% is the change from 491 to 134
Calculation steps:
[( 134 - 491 ) ÷ 491] x 100 = -72.71%
Formula
Percentage change = [(134 - 491) / 491] x 100
Subtract the new number by the original number
134 - 491 = -357
-357 ÷ 491 = -0.7270875763747454
-0.7270875763747454 x 100 = -72.71%