-38.41% is the change from 315 to 194
Calculation steps:
[( 194 - 315 ) ÷ 315] x 100 = -38.41%
Formula
Percentage change = [(194 - 315) / 315] x 100
Subtract the new number by the original number
194 - 315 = -121
-121 ÷ 315 = -0.38412698412698415
-0.38412698412698415 x 100 = -38.41%