-77.09% is the change from 371 to 85
Calculation steps:
[( 85 - 371 ) ÷ 371] x 100 = -77.09%
Formula
Percentage change = [(85 - 371) / 371] x 100
Subtract the new number by the original number
85 - 371 = -286
-286 ÷ 371 = -0.77088948787062
-0.77088948787062 x 100 = -77.09%