-61.71% is the change from 491 to 188
Calculation steps:
[( 188 - 491 ) ÷ 491] x 100 = -61.71%
Formula
Percentage change = [(188 - 491) / 491] x 100
Subtract the new number by the original number
188 - 491 = -303
-303 ÷ 491 = -0.6171079429735234
-0.6171079429735234 x 100 = -61.71%