-66.84% is the change from 766 to 254
Calculation steps:
[( 254 - 766 ) ÷ 766] x 100 = -66.84%
Formula
Percentage change = [(254 - 766) / 766] x 100
Subtract the new number by the original number
254 - 766 = -512
-512 ÷ 766 = -0.6684073107049608
-0.6684073107049608 x 100 = -66.84%