-78.26% is the change from 207 to 45
Calculation steps:
[( 45 - 207 ) ÷ 207] x 100 = -78.26%
Formula
Percentage change = [(45 - 207) / 207] x 100
Subtract the new number by the original number
45 - 207 = -162
-162 ÷ 207 = -0.782608695652174
-0.782608695652174 x 100 = -78.26%