-85.47% is the change from 537 to 78
Calculation steps:
[( 78 - 537 ) ÷ 537] x 100 = -85.47%
Formula
Percentage change = [(78 - 537) / 537] x 100
Subtract the new number by the original number
78 - 537 = -459
-459 ÷ 537 = -0.8547486033519553
-0.8547486033519553 x 100 = -85.47%