-79.13% is the change from 551 to 115
Calculation steps:
[( 115 - 551 ) ÷ 551] x 100 = -79.13%
Formula
Percentage change = [(115 - 551) / 551] x 100
Subtract the new number by the original number
115 - 551 = -436
-436 ÷ 551 = -0.7912885662431942
-0.7912885662431942 x 100 = -79.13%