-86.34% is the change from 937 to 128
Calculation steps:
[( 128 - 937 ) ÷ 937] x 100 = -86.34%
Formula
Percentage change = [(128 - 937) / 937] x 100
Subtract the new number by the original number
128 - 937 = -809
-809 ÷ 937 = -0.8633938100320171
-0.8633938100320171 x 100 = -86.34%