-16.25% is the change from 917 to 768
Calculation steps:
[( 768 - 917 ) ÷ 917] x 100 = -16.25%
Formula
Percentage change = [(768 - 917) / 917] x 100
Subtract the new number by the original number
768 - 917 = -149
-149 ÷ 917 = -0.1624863685932388
-0.1624863685932388 x 100 = -16.25%