-61.91% is the change from 491 to 187
Calculation steps:
[( 187 - 491 ) ÷ 491] x 100 = -61.91%
Formula
Percentage change = [(187 - 491) / 491] x 100
Subtract the new number by the original number
187 - 491 = -304
-304 ÷ 491 = -0.6191446028513238
-0.6191446028513238 x 100 = -61.91%