-67.5% is the change from 843 to 274
Calculation steps:
[( 274 - 843 ) ÷ 843] x 100 = -67.5%
Formula
Percentage change = [(274 - 843) / 843] x 100
Subtract the new number by the original number
274 - 843 = -569
-569 ÷ 843 = -0.67497034400949
-0.67497034400949 x 100 = -67.5%