-24.64% is the change from 207 to 156
Calculation steps:
[( 156 - 207 ) ÷ 207] x 100 = -24.64%
Formula
Percentage change = [(156 - 207) / 207] x 100
Subtract the new number by the original number
156 - 207 = -51
-51 ÷ 207 = -0.2463768115942029
-0.2463768115942029 x 100 = -24.64%