-86.85% is the change from 251 to 33
Calculation steps:
[( 33 - 251 ) ÷ 251] x 100 = -86.85%
Formula
Percentage change = [(33 - 251) / 251] x 100
Subtract the new number by the original number
33 - 251 = -218
-218 ÷ 251 = -0.8685258964143426
-0.8685258964143426 x 100 = -86.85%