-75.07% is the change from 349 to 87
Calculation steps:
[( 87 - 349 ) ÷ 349] x 100 = -75.07%
Formula
Percentage change = [(87 - 349) / 349] x 100
Subtract the new number by the original number
87 - 349 = -262
-262 ÷ 349 = -0.7507163323782235
-0.7507163323782235 x 100 = -75.07%