-17.93% is the change from 948 to 778
Calculation steps:
[( 778 - 948 ) ÷ 948] x 100 = -17.93%
Formula
Percentage change = [(778 - 948) / 948] x 100
Subtract the new number by the original number
778 - 948 = -170
-170 ÷ 948 = -0.17932489451476794
-0.17932489451476794 x 100 = -17.93%