-86.14% is the change from 974 to 135
Calculation steps:
[( 135 - 974 ) ÷ 974] x 100 = -86.14%
Formula
Percentage change = [(135 - 974) / 974] x 100
Subtract the new number by the original number
135 - 974 = -839
-839 ÷ 974 = -0.8613963039014374
-0.8613963039014374 x 100 = -86.14%