-69.62% is the change from 836 to 254
Calculation steps:
[( 254 - 836 ) ÷ 836] x 100 = -69.62%
Formula
Percentage change = [(254 - 836) / 836] x 100
Subtract the new number by the original number
254 - 836 = -582
-582 ÷ 836 = -0.6961722488038278
-0.6961722488038278 x 100 = -69.62%