-77.77% is the change from 967 to 215
Calculation steps:
[( 215 - 967 ) ÷ 967] x 100 = -77.77%
Formula
Percentage change = [(215 - 967) / 967] x 100
Subtract the new number by the original number
215 - 967 = -752
-752 ÷ 967 = -0.7776628748707343
-0.7776628748707343 x 100 = -77.77%