-0.42% is the change from 236 to 235
Calculation steps:
[( 235 - 236 ) ÷ 236] x 100 = -0.42%
Formula
Percentage change = [(235 - 236) / 236] x 100
Subtract the new number by the original number
235 - 236 = -1
-1 ÷ 236 = -0.00423728813559322
-0.00423728813559322 x 100 = -0.42%