-31.8% is the change from 261 to 178
Calculation steps:
[( 178 - 261 ) ÷ 261] x 100 = -31.8%
Formula
Percentage change = [(178 - 261) / 261] x 100
Subtract the new number by the original number
178 - 261 = -83
-83 ÷ 261 = -0.31800766283524906
-0.31800766283524906 x 100 = -31.8%