-77.71% is the change from 525 to 117
Calculation steps:
[( 117 - 525 ) ÷ 525] x 100 = -77.71%
Formula
Percentage change = [(117 - 525) / 525] x 100
Subtract the new number by the original number
117 - 525 = -408
-408 ÷ 525 = -0.7771428571428571
-0.7771428571428571 x 100 = -77.71%