-34.38% is the change from 826 to 542
Calculation steps:
[( 542 - 826 ) ÷ 826] x 100 = -34.38%
Formula
Percentage change = [(542 - 826) / 826] x 100
Subtract the new number by the original number
542 - 826 = -284
-284 ÷ 826 = -0.34382566585956414
-0.34382566585956414 x 100 = -34.38%