-66% is the change from 806 to 274
Calculation steps:
[( 274 - 806 ) ÷ 806] x 100 = -66%
Formula
Percentage change = [(274 - 806) / 806] x 100
Subtract the new number by the original number
274 - 806 = -532
-532 ÷ 806 = -0.6600496277915633
-0.6600496277915633 x 100 = -66%