-64.22% is the change from 545 to 195
Calculation steps:
[( 195 - 545 ) ÷ 545] x 100 = -64.22%
Formula
Percentage change = [(195 - 545) / 545] x 100
Subtract the new number by the original number
195 - 545 = -350
-350 ÷ 545 = -0.6422018348623854
-0.6422018348623854 x 100 = -64.22%