-59.05% is the change from 525 to 215
Calculation steps:
[( 215 - 525 ) ÷ 525] x 100 = -59.05%
Formula
Percentage change = [(215 - 525) / 525] x 100
Subtract the new number by the original number
215 - 525 = -310
-310 ÷ 525 = -0.5904761904761905
-0.5904761904761905 x 100 = -59.05%