-60.9% is the change from 491 to 192
Calculation steps:
[( 192 - 491 ) ÷ 491] x 100 = -60.9%
Formula
Percentage change = [(192 - 491) / 491] x 100
Subtract the new number by the original number
192 - 491 = -299
-299 ÷ 491 = -0.6089613034623218
-0.6089613034623218 x 100 = -60.9%