-70.98% is the change from 834 to 242
Calculation steps:
[( 242 - 834 ) ÷ 834] x 100 = -70.98%
Formula
Percentage change = [(242 - 834) / 834] x 100
Subtract the new number by the original number
242 - 834 = -592
-592 ÷ 834 = -0.709832134292566
-0.709832134292566 x 100 = -70.98%