-78.52% is the change from 917 to 197
Calculation steps:
[( 197 - 917 ) ÷ 917] x 100 = -78.52%
Formula
Percentage change = [(197 - 917) / 917] x 100
Subtract the new number by the original number
197 - 917 = -720
-720 ÷ 917 = -0.7851690294438386
-0.7851690294438386 x 100 = -78.52%