-91.66% is the change from 935 to 78
Calculation steps:
[( 78 - 935 ) ÷ 935] x 100 = -91.66%
Formula
Percentage change = [(78 - 935) / 935] x 100
Subtract the new number by the original number
78 - 935 = -857
-857 ÷ 935 = -0.9165775401069519
-0.9165775401069519 x 100 = -91.66%