-18.07% is the change from 935 to 766
Calculation steps:
[( 766 - 935 ) ÷ 935] x 100 = -18.07%
Formula
Percentage change = [(766 - 935) / 935] x 100
Subtract the new number by the original number
766 - 935 = -169
-169 ÷ 935 = -0.18074866310160428
-0.18074866310160428 x 100 = -18.07%