-15.42% is the change from 908 to 768
Calculation steps:
[( 768 - 908 ) ÷ 908] x 100 = -15.42%
Formula
Percentage change = [(768 - 908) / 908] x 100
Subtract the new number by the original number
768 - 908 = -140
-140 ÷ 908 = -0.15418502202643172
-0.15418502202643172 x 100 = -15.42%