-76.68% is the change from 193 to 45
Calculation steps:
[( 45 - 193 ) ÷ 193] x 100 = -76.68%
Formula
Percentage change = [(45 - 193) / 193] x 100
Subtract the new number by the original number
45 - 193 = -148
-148 ÷ 193 = -0.7668393782383419
-0.7668393782383419 x 100 = -76.68%