-91.87% is the change from 959 to 78
Calculation steps:
[( 78 - 959 ) ÷ 959] x 100 = -91.87%
Formula
Percentage change = [(78 - 959) / 959] x 100
Subtract the new number by the original number
78 - 959 = -881
-881 ÷ 959 = -0.9186652763295099
-0.9186652763295099 x 100 = -91.87%