-28.5% is the change from 951 to 680
Calculation steps:
[( 680 - 951 ) ÷ 951] x 100 = -28.5%
Formula
Percentage change = [(680 - 951) / 951] x 100
Subtract the new number by the original number
680 - 951 = -271
-271 ÷ 951 = -0.28496319663512093
-0.28496319663512093 x 100 = -28.5%