-61.54% is the change from 117 to 45
Calculation steps:
[( 45 - 117 ) ÷ 117] x 100 = -61.54%
Formula
Percentage change = [(45 - 117) / 117] x 100
Subtract the new number by the original number
45 - 117 = -72
-72 ÷ 117 = -0.6153846153846154
-0.6153846153846154 x 100 = -61.54%