-76.98% is the change from 934 to 215
Calculation steps:
[( 215 - 934 ) ÷ 934] x 100 = -76.98%
Formula
Percentage change = [(215 - 934) / 934] x 100
Subtract the new number by the original number
215 - 934 = -719
-719 ÷ 934 = -0.7698072805139187
-0.7698072805139187 x 100 = -76.98%