-77.87% is the change from 348 to 77
Calculation steps:
[( 77 - 348 ) ÷ 348] x 100 = -77.87%
Formula
Percentage change = [(77 - 348) / 348] x 100
Subtract the new number by the original number
77 - 348 = -271
-271 ÷ 348 = -0.7787356321839081
-0.7787356321839081 x 100 = -77.87%