-70.34% is the change from 236 to 70
Calculation steps:
[( 70 - 236 ) ÷ 236] x 100 = -70.34%
Formula
Percentage change = [(70 - 236) / 236] x 100
Subtract the new number by the original number
70 - 236 = -166
-166 ÷ 236 = -0.7033898305084746
-0.7033898305084746 x 100 = -70.34%