-83.76% is the change from 351 to 57
Calculation steps:
[( 57 - 351 ) ÷ 351] x 100 = -83.76%
Formula
Percentage change = [(57 - 351) / 351] x 100
Subtract the new number by the original number
57 - 351 = -294
-294 ÷ 351 = -0.8376068376068376
-0.8376068376068376 x 100 = -83.76%