-19.24% is the change from 951 to 768
Calculation steps:
[( 768 - 951 ) ÷ 951] x 100 = -19.24%
Formula
Percentage change = [(768 - 951) / 951] x 100
Subtract the new number by the original number
768 - 951 = -183
-183 ÷ 951 = -0.19242902208201892
-0.19242902208201892 x 100 = -19.24%