-67.11% is the change from 836 to 275
Calculation steps:
[( 275 - 836 ) ÷ 836] x 100 = -67.11%
Formula
Percentage change = [(275 - 836) / 836] x 100
Subtract the new number by the original number
275 - 836 = -561
-561 ÷ 836 = -0.6710526315789473
-0.6710526315789473 x 100 = -67.11%