-71.05% is the change from 836 to 242
Calculation steps:
[( 242 - 836 ) ÷ 836] x 100 = -71.05%
Formula
Percentage change = [(242 - 836) / 836] x 100
Subtract the new number by the original number
242 - 836 = -594
-594 ÷ 836 = -0.7105263157894737
-0.7105263157894737 x 100 = -71.05%