-77.59% is the change from 357 to 80
Calculation steps:
[( 80 - 357 ) ÷ 357] x 100 = -77.59%
Formula
Percentage change = [(80 - 357) / 357] x 100
Subtract the new number by the original number
80 - 357 = -277
-277 ÷ 357 = -0.7759103641456583
-0.7759103641456583 x 100 = -77.59%