-64.44% is the change from 540 to 192
Calculation steps:
[( 192 - 540 ) ÷ 540] x 100 = -64.44%
Formula
Percentage change = [(192 - 540) / 540] x 100
Subtract the new number by the original number
192 - 540 = -348
-348 ÷ 540 = -0.6444444444444445
-0.6444444444444445 x 100 = -64.44%