-78.16% is the change from 206 to 45
Calculation steps:
[( 45 - 206 ) ÷ 206] x 100 = -78.16%
Formula
Percentage change = [(45 - 206) / 206] x 100
Subtract the new number by the original number
45 - 206 = -161
-161 ÷ 206 = -0.7815533980582524
-0.7815533980582524 x 100 = -78.16%