-14.78% is the change from 636 to 542
Calculation steps:
[( 542 - 636 ) ÷ 636] x 100 = -14.78%
Formula
Percentage change = [(542 - 636) / 636] x 100
Subtract the new number by the original number
542 - 636 = -94
-94 ÷ 636 = -0.14779874213836477
-0.14779874213836477 x 100 = -14.78%