-87.45% is the change from 542 to 68
Calculation steps:
[( 68 - 542 ) ÷ 542] x 100 = -87.45%
Formula
Percentage change = [(68 - 542) / 542] x 100
Subtract the new number by the original number
68 - 542 = -474
-474 ÷ 542 = -0.8745387453874539
-0.8745387453874539 x 100 = -87.45%