-85.21% is the change from 933 to 138
Calculation steps:
[( 138 - 933 ) ÷ 933] x 100 = -85.21%
Formula
Percentage change = [(138 - 933) / 933] x 100
Subtract the new number by the original number
138 - 933 = -795
-795 ÷ 933 = -0.8520900321543409
-0.8520900321543409 x 100 = -85.21%