-74.36% is the change from 195 to 50
Calculation steps:
[( 50 - 195 ) ÷ 195] x 100 = -74.36%
Formula
Percentage change = [(50 - 195) / 195] x 100
Subtract the new number by the original number
50 - 195 = -145
-145 ÷ 195 = -0.7435897435897436
-0.7435897435897436 x 100 = -74.36%