-26.79% is the change from 836 to 612
Calculation steps:
[( 612 - 836 ) ÷ 836] x 100 = -26.79%
Formula
Percentage change = [(612 - 836) / 836] x 100
Subtract the new number by the original number
612 - 836 = -224
-224 ÷ 836 = -0.2679425837320574
-0.2679425837320574 x 100 = -26.79%