-75.7% is the change from 251 to 61
Calculation steps:
[( 61 - 251 ) ÷ 251] x 100 = -75.7%
Formula
Percentage change = [(61 - 251) / 251] x 100
Subtract the new number by the original number
61 - 251 = -190
-190 ÷ 251 = -0.7569721115537849
-0.7569721115537849 x 100 = -75.7%