-64.26% is the change from 540 to 193
Calculation steps:
[( 193 - 540 ) ÷ 540] x 100 = -64.26%
Formula
Percentage change = [(193 - 540) / 540] x 100
Subtract the new number by the original number
193 - 540 = -347
-347 ÷ 540 = -0.6425925925925926
-0.6425925925925926 x 100 = -64.26%