-78.58% is the change from 537 to 115
Calculation steps:
[( 115 - 537 ) ÷ 537] x 100 = -78.58%
Formula
Percentage change = [(115 - 537) / 537] x 100
Subtract the new number by the original number
115 - 537 = -422
-422 ÷ 537 = -0.7858472998137802
-0.7858472998137802 x 100 = -78.58%