-77.49% is the change from 955 to 215
Calculation steps:
[( 215 - 955 ) ÷ 955] x 100 = -77.49%
Formula
Percentage change = [(215 - 955) / 955] x 100
Subtract the new number by the original number
215 - 955 = -740
-740 ÷ 955 = -0.774869109947644
-0.774869109947644 x 100 = -77.49%