-0.85% is the change from 236 to 234
Calculation steps:
[( 234 - 236 ) ÷ 236] x 100 = -0.85%
Formula
Percentage change = [(234 - 236) / 236] x 100
Subtract the new number by the original number
234 - 236 = -2
-2 ÷ 236 = -0.00847457627118644
-0.00847457627118644 x 100 = -0.85%