-67.37% is the change from 236 to 77
Calculation steps:
[( 77 - 236 ) ÷ 236] x 100 = -67.37%
Formula
Percentage change = [(77 - 236) / 236] x 100
Subtract the new number by the original number
77 - 236 = -159
-159 ÷ 236 = -0.673728813559322
-0.673728813559322 x 100 = -67.37%