-64.12% is the change from 549 to 197
Calculation steps:
[( 197 - 549 ) ÷ 549] x 100 = -64.12%
Formula
Percentage change = [(197 - 549) / 549] x 100
Subtract the new number by the original number
197 - 549 = -352
-352 ÷ 549 = -0.6411657559198543
-0.6411657559198543 x 100 = -64.12%