-67.36% is the change from 766 to 250
Calculation steps:
[( 250 - 766 ) ÷ 766] x 100 = -67.36%
Formula
Percentage change = [(250 - 766) / 766] x 100
Subtract the new number by the original number
250 - 766 = -516
-516 ÷ 766 = -0.6736292428198434
-0.6736292428198434 x 100 = -67.36%