-77.97% is the change from 917 to 202
Calculation steps:
[( 202 - 917 ) ÷ 917] x 100 = -77.97%
Formula
Percentage change = [(202 - 917) / 917] x 100
Subtract the new number by the original number
202 - 917 = -715
-715 ÷ 917 = -0.7797164667393675
-0.7797164667393675 x 100 = -77.97%