-66.77% is the change from 933 to 310
Calculation steps:
[( 310 - 933 ) ÷ 933] x 100 = -66.77%
Formula
Percentage change = [(310 - 933) / 933] x 100
Subtract the new number by the original number
310 - 933 = -623
-623 ÷ 933 = -0.6677384780278671
-0.6677384780278671 x 100 = -66.77%