-93.01% is the change from 715 to 50
Calculation steps:
[( 50 - 715 ) ÷ 715] x 100 = -93.01%
Formula
Percentage change = [(50 - 715) / 715] x 100
Subtract the new number by the original number
50 - 715 = -665
-665 ÷ 715 = -0.9300699300699301
-0.9300699300699301 x 100 = -93.01%