-63.85% is the change from 545 to 197
Calculation steps:
[( 197 - 545 ) ÷ 545] x 100 = -63.85%
Formula
Percentage change = [(197 - 545) / 545] x 100
Subtract the new number by the original number
197 - 545 = -348
-348 ÷ 545 = -0.6385321100917432
-0.6385321100917432 x 100 = -63.85%