-77.22% is the change from 281 to 64
Calculation steps:
[( 64 - 281 ) ÷ 281] x 100 = -77.22%
Formula
Percentage change = [(64 - 281) / 281] x 100
Subtract the new number by the original number
64 - 281 = -217
-217 ÷ 281 = -0.7722419928825622
-0.7722419928825622 x 100 = -77.22%